diff options
Diffstat (limited to 'samples')
72 files changed, 83 insertions, 349 deletions
diff --git a/samples/Kconfig b/samples/Kconfig index 0561a94f6fdb..d63cc8a3e0df 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig SAMPLES bool "Sample kernel code" depends on !UML diff --git a/samples/binderfs/Makefile b/samples/binderfs/Makefile index 01ca9f2529a7..ea4c93d36256 100644 --- a/samples/binderfs/Makefile +++ b/samples/binderfs/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs_example.o diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index eae7b635343d..6e87cc831e84 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -678,7 +678,7 @@ void read_trace_pipe(void) static char buf[4096]; ssize_t sz; - sz = read(trace_fd, buf, sizeof(buf)); + sz = read(trace_fd, buf, sizeof(buf) - 1); if (sz > 0) { buf[sz] = 0; puts(buf); diff --git a/samples/bpf/lathist_user.c b/samples/bpf/lathist_user.c index c8e88cc84e61..2ff2839a52d5 100644 --- a/samples/bpf/lathist_user.c +++ b/samples/bpf/lathist_user.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013-2015 PLUMgrid, http://plumgrid.com * Copyright (c) 2015 BMW Car IT GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c index 38b7b1a96cc2..fe5564bff39b 100644 --- a/samples/bpf/map_perf_test_user.c +++ b/samples/bpf/map_perf_test_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <sched.h> diff --git a/samples/bpf/offwaketime_user.c b/samples/bpf/offwaketime_user.c index bb315ce1b866..fc8767d001f6 100644 --- a/samples/bpf/offwaketime_user.c +++ b/samples/bpf/offwaketime_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/sampleip_user.c b/samples/bpf/sampleip_user.c index 23b90a45c802..6b5dc26d9701 100644 --- a/samples/bpf/sampleip_user.c +++ b/samples/bpf/sampleip_user.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * sampleip: sample instruction pointer and frequency count in a BPF map. * * Copyright 2016 Netflix, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c index 9149c524d279..1d78819ffef1 100644 --- a/samples/bpf/syscall_tp_kern.c +++ b/samples/bpf/syscall_tp_kern.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <uapi/linux/bpf.h> #include "bpf_helpers.h" diff --git a/samples/bpf/syscall_tp_user.c b/samples/bpf/syscall_tp_user.c index 1a1d0059a277..57014bab7cbe 100644 --- a/samples/bpf/syscall_tp_user.c +++ b/samples/bpf/syscall_tp_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/task_fd_query_user.c b/samples/bpf/task_fd_query_user.c index aff2b4ae914e..e39938058223 100644 --- a/samples/bpf/task_fd_query_user.c +++ b/samples/bpf/task_fd_query_user.c @@ -216,7 +216,7 @@ static int test_debug_fs_uprobe(char *binary_path, long offset, bool is_return) { const char *event_type = "uprobe"; struct perf_event_attr attr = {}; - char buf[256], event_alias[256]; + char buf[256], event_alias[sizeof("test_1234567890")]; __u64 probe_offset, probe_addr; __u32 len, prog_id, fd_type; int err, res, kfd, efd; diff --git a/samples/bpf/tc_l2_redirect_user.c b/samples/bpf/tc_l2_redirect_user.c index 7ec45c3e8f56..d11a6e1e9912 100644 --- a/samples/bpf/tc_l2_redirect_user.c +++ b/samples/bpf/tc_l2_redirect_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/unistd.h> #include <linux/bpf.h> diff --git a/samples/bpf/test_cgrp2_array_pin.c b/samples/bpf/test_cgrp2_array_pin.c index 242184292f59..6d564aa75447 100644 --- a/samples/bpf/test_cgrp2_array_pin.c +++ b/samples/bpf/test_cgrp2_array_pin.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/unistd.h> #include <linux/bpf.h> diff --git a/samples/bpf/test_current_task_under_cgroup_user.c b/samples/bpf/test_current_task_under_cgroup_user.c index f082d6ac59f0..06e9f8ce42e2 100644 --- a/samples/bpf/test_current_task_under_cgroup_user.c +++ b/samples/bpf/test_current_task_under_cgroup_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Sargun Dhillon <sargun@sargun.me> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c index eec3e2509ce8..b313dba4111b 100644 --- a/samples/bpf/test_lru_dist.c +++ b/samples/bpf/test_lru_dist.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <linux/types.h> diff --git a/samples/bpf/test_map_in_map_user.c b/samples/bpf/test_map_in_map_user.c index e308858f7bcf..eb29bcb76f3f 100644 --- a/samples/bpf/test_map_in_map_user.c +++ b/samples/bpf/test_map_in_map_user.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <sys/resource.h> #include <sys/socket.h> diff --git a/samples/bpf/test_overhead_user.c b/samples/bpf/test_overhead_user.c index 9d6dcaa9db92..94f74112a20e 100644 --- a/samples/bpf/test_overhead_user.c +++ b/samples/bpf/test_overhead_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <sched.h> diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c index d4178f60e075..16a16eadd509 100644 --- a/samples/bpf/trace_event_user.c +++ b/samples/bpf/trace_event_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/trace_output_user.c b/samples/bpf/trace_output_user.c index 4837d73edefe..2dd1d39b152a 100644 --- a/samples/bpf/trace_output_user.c +++ b/samples/bpf/trace_output_user.c @@ -1,7 +1,4 @@ -/* This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0-only #include <stdio.h> #include <unistd.h> #include <stdlib.h> diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c index 56466d010139..cf8fedc773f2 100644 --- a/samples/bpf/tracex3_user.c +++ b/samples/bpf/tracex3_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013-2015 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c index 14625c898e43..ec52203fce39 100644 --- a/samples/bpf/tracex4_user.c +++ b/samples/bpf/tracex4_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2015 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c index 6a64e93365e1..5b39421adb44 100644 --- a/samples/bpf/xdp1_user.c +++ b/samples/bpf/xdp1_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 PLUMgrid - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c index 586b294d72d3..575deaca429f 100644 --- a/samples/bpf/xdp_redirect_cpu_user.c +++ b/samples/bpf/xdp_redirect_cpu_user.c @@ -1,4 +1,5 @@ -/* GPLv2 Copyright(c) 2017 Jesper Dangaard Brouer, Red Hat, Inc. +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2017 Jesper Dangaard Brouer, Red Hat, Inc. */ static const char *__doc__ = " XDP redirect with a CPU-map type \"BPF_MAP_TYPE_CPUMAP\""; diff --git a/samples/bpf/xdp_redirect_map_user.c b/samples/bpf/xdp_redirect_map_user.c index 1dbe7fd3a1a8..be317f5f058f 100644 --- a/samples/bpf/xdp_redirect_map_user.c +++ b/samples/bpf/xdp_redirect_map_user.c @@ -1,13 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Covalent IO, Inc. http://covalent.io - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c index e9054c0269ff..09747bee6668 100644 --- a/samples/bpf/xdp_redirect_user.c +++ b/samples/bpf/xdp_redirect_user.c @@ -1,13 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 John Fastabend <john.r.fastabend@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c index 79fe7bc26ab4..1f66419631c3 100644 --- a/samples/bpf/xdp_router_ipv4_user.c +++ b/samples/bpf/xdp_router_ipv4_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (C) 2017 Cavium, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/netlink.h> diff --git a/samples/bpf/xdp_tx_iptunnel_common.h b/samples/bpf/xdp_tx_iptunnel_common.h index dd12cc35110f..be839892caff 100644 --- a/samples/bpf/xdp_tx_iptunnel_common.h +++ b/samples/bpf/xdp_tx_iptunnel_common.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #ifndef _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H #define _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c index 4a1511eb7812..e746a00d122e 100644 --- a/samples/bpf/xdp_tx_iptunnel_user.c +++ b/samples/bpf/xdp_tx_iptunnel_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/configfs/Makefile b/samples/configfs/Makefile index a9afd99630fc..92d661fcba6d 100644 --- a/samples/configfs/Makefile +++ b/samples/configfs/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs_sample.o diff --git a/samples/configfs/configfs_sample.c b/samples/configfs/configfs_sample.c index 004a4e201476..e2398d94e8da 100644 --- a/samples/configfs/configfs_sample.c +++ b/samples/configfs/configfs_sample.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * vim: noexpandtab ts=8 sts=0 sw=8: * @@ -5,21 +6,6 @@ * containing a number of configfs subsystems. It uses the helper * macros defined by configfs.h * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - * * Based on sysfs: * sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel * diff --git a/samples/connector/cn_test.c b/samples/connector/cn_test.c index 95cd06f4ec1e..0958a171d048 100644 --- a/samples/connector/cn_test.c +++ b/samples/connector/cn_test.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * cn_test.c * * 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define pr_fmt(fmt) "cn_test: " fmt diff --git a/samples/connector/ucon.c b/samples/connector/ucon.c index 8a4da64e02a8..fa17f864200e 100644 --- a/samples/connector/ucon.c +++ b/samples/connector/ucon.c @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ucon.c * * Copyright (c) 2004+ Evgeniy Polyakov <zbr@ioremap.net> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <asm/types.h> diff --git a/samples/hw_breakpoint/Makefile b/samples/hw_breakpoint/Makefile index 0f5c31c2fc47..ef4b6fdd7d9c 100644 --- a/samples/hw_breakpoint/Makefile +++ b/samples/hw_breakpoint/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += data_breakpoint.o diff --git a/samples/hw_breakpoint/data_breakpoint.c b/samples/hw_breakpoint/data_breakpoint.c index ef7f32291852..c58504774118 100644 --- a/samples/hw_breakpoint/data_breakpoint.c +++ b/samples/hw_breakpoint/data_breakpoint.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * data_breakpoint.c - Sample HW Breakpoint file to watch kernel data address * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * * usage: insmod data_breakpoint.ko ksym=<ksym_name> * * This file is a kernel module that places a breakpoint over ksym_name kernel diff --git a/samples/kdb/Makefile b/samples/kdb/Makefile index fbedf39d9356..947cb852279c 100644 --- a/samples/kdb/Makefile +++ b/samples/kdb/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_KDB) += kdb_hello.o diff --git a/samples/kfifo/Makefile b/samples/kfifo/Makefile index bcc9484a15b2..0af5250ad944 100644 --- a/samples/kfifo/Makefile +++ b/samples/kfifo/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_KFIFO) += bytestream-example.o dma-example.o inttype-example.o record-example.o diff --git a/samples/kfifo/bytestream-example.c b/samples/kfifo/bytestream-example.c index 2fca916d9edf..9ca3e4400c98 100644 --- a/samples/kfifo/bytestream-example.c +++ b/samples/kfifo/bytestream-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample kfifo byte stream implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/dma-example.c b/samples/kfifo/dma-example.c index be0d4a5fdf53..0cf27483cb36 100644 --- a/samples/kfifo/dma-example.c +++ b/samples/kfifo/dma-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample fifo dma implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/inttype-example.c b/samples/kfifo/inttype-example.c index 8dc3c2e7105a..6cdeb72f83f1 100644 --- a/samples/kfifo/inttype-example.c +++ b/samples/kfifo/inttype-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample kfifo int type implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/record-example.c b/samples/kfifo/record-example.c index 2d7529eeb294..79ae8bb04120 100644 --- a/samples/kfifo/record-example.c +++ b/samples/kfifo/record-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample dynamic sized record fifo implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kobject/Makefile b/samples/kobject/Makefile index 4a194203c982..bb5d2199742b 100644 --- a/samples/kobject/Makefile +++ b/samples/kobject/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_KOBJECT) += kobject-example.o kset-example.o diff --git a/samples/kprobes/Makefile b/samples/kprobes/Makefile index 880e54d2c082..e774592718d6 100644 --- a/samples/kprobes/Makefile +++ b/samples/kprobes/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # builds the kprobes example kernel modules; # then to use one (as root): insmod <module_name.ko> diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 02be8984c32f..d693c23a85e8 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * NOTE: This example is works on x86 and powerpc. * Here's a sample kernel module showing the use of kprobes to dump a diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c index 7f9060f435cd..186315ca88b3 100644 --- a/samples/kprobes/kretprobe_example.c +++ b/samples/kprobes/kretprobe_example.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kretprobe_example.c * diff --git a/samples/livepatch/Makefile b/samples/livepatch/Makefile index 2472ce39a18d..9f853eeb6140 100644 --- a/samples/livepatch/Makefile +++ b/samples/livepatch/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-sample.o obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-mod.o obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-fix1.o diff --git a/samples/livepatch/livepatch-callbacks-busymod.c b/samples/livepatch/livepatch-callbacks-busymod.c index 80d06e103f1b..378e2d40271a 100644 --- a/samples/livepatch/livepatch-callbacks-busymod.c +++ b/samples/livepatch/livepatch-callbacks-busymod.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/livepatch/livepatch-callbacks-demo.c b/samples/livepatch/livepatch-callbacks-demo.c index 62d97953ad02..11c3f4357812 100644 --- a/samples/livepatch/livepatch-callbacks-demo.c +++ b/samples/livepatch/livepatch-callbacks-demo.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/livepatch/livepatch-callbacks-mod.c b/samples/livepatch/livepatch-callbacks-mod.c index e610ce29ba44..2a074f422a51 100644 --- a/samples/livepatch/livepatch-callbacks-mod.c +++ b/samples/livepatch/livepatch-callbacks-mod.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/livepatch/livepatch-sample.c b/samples/livepatch/livepatch-sample.c index 01c9cf003ca2..cd76d7ebe598 100644 --- a/samples/livepatch/livepatch-sample.c +++ b/samples/livepatch/livepatch-sample.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * livepatch-sample.c - Kernel Live Patching Sample Module * * Copyright (C) 2014 Seth Jennings <sjenning@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/samples/livepatch/livepatch-shadow-fix1.c b/samples/livepatch/livepatch-shadow-fix1.c index 67a73e5e986e..e89ca4546114 100644 --- a/samples/livepatch/livepatch-shadow-fix1.c +++ b/samples/livepatch/livepatch-shadow-fix1.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/livepatch/livepatch-shadow-fix2.c b/samples/livepatch/livepatch-shadow-fix2.c index 91c21d52cfea..50d223b82e8b 100644 --- a/samples/livepatch/livepatch-shadow-fix2.c +++ b/samples/livepatch/livepatch-shadow-fix2.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/livepatch/livepatch-shadow-mod.c b/samples/livepatch/livepatch-shadow-mod.c index 4d79c6dc055b..ecfe83a943a7 100644 --- a/samples/livepatch/livepatch-shadow-mod.c +++ b/samples/livepatch/livepatch-shadow-mod.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* diff --git a/samples/mic/mpssd/micctrl b/samples/mic/mpssd/micctrl index 8f2629b41c5f..030a60b04046 100755 --- a/samples/mic/mpssd/micctrl +++ b/samples/mic/mpssd/micctrl @@ -1,20 +1,9 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only # Intel MIC Platform Software Stack (MPSS) # # Copyright(c) 2013 Intel Corporation. # -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License, version 2, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# The full GNU General Public License is included in this distribution in -# the file called "COPYING". -# # Intel MIC User Space Tools. # # micctrl - Controls MIC boot/start/stop. diff --git a/samples/mic/mpssd/mpss b/samples/mic/mpssd/mpss index 5fcf9fa4b082..248ac7313c71 100755 --- a/samples/mic/mpssd/mpss +++ b/samples/mic/mpssd/mpss @@ -1,20 +1,9 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only # Intel MIC Platform Software Stack (MPSS) # # Copyright(c) 2013 Intel Corporation. # -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License, version 2, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# The full GNU General Public License is included in this distribution in -# the file called "COPYING". -# # Intel MIC User Space Tools. # # mpss Start mpssd. diff --git a/samples/mic/mpssd/mpssd.c b/samples/mic/mpssd/mpssd.c index f42ce551bb48..a11bf6c5b53b 100644 --- a/samples/mic/mpssd/mpssd.c +++ b/samples/mic/mpssd/mpssd.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2013 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Intel MIC User Space Tools. */ diff --git a/samples/mic/mpssd/mpssd.h b/samples/mic/mpssd/mpssd.h index 82d3b519f0e7..5f98bdafe653 100644 --- a/samples/mic/mpssd/mpssd.h +++ b/samples/mic/mpssd/mpssd.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2013 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Intel MIC User Space Tools. */ #ifndef _MPSSD_H_ diff --git a/samples/mic/mpssd/sysfs.c b/samples/mic/mpssd/sysfs.c index 8dd326936083..3fb08eb7ed9d 100644 --- a/samples/mic/mpssd/sysfs.c +++ b/samples/mic/mpssd/sysfs.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2013 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Intel MIC User Space Tools. */ diff --git a/samples/pidfd/pidfd-metadata.c b/samples/pidfd/pidfd-metadata.c index 640f5f757c57..c459155daf9a 100644 --- a/samples/pidfd/pidfd-metadata.c +++ b/samples/pidfd/pidfd-metadata.c @@ -21,6 +21,10 @@ #define CLONE_PIDFD 0x00001000 #endif +#ifndef __NR_pidfd_send_signal +#define __NR_pidfd_send_signal -1 +#endif + static int do_child(void *args) { printf("%d\n", getpid()); @@ -79,7 +83,7 @@ static int pidfd_metadata_fd(pid_t pid, int pidfd) int main(int argc, char *argv[]) { - int pidfd = 0, ret = EXIT_FAILURE; + int pidfd = -1, ret = EXIT_FAILURE; char buf[4096] = { 0 }; pid_t pid; int procfd, statusfd; @@ -87,7 +91,11 @@ int main(int argc, char *argv[]) pid = pidfd_clone(CLONE_PIDFD, &pidfd); if (pid < 0) - exit(ret); + err(ret, "CLONE_PIDFD"); + if (pidfd == -1) { + warnx("CLONE_PIDFD is not supported by the kernel"); + goto out; + } procfd = pidfd_metadata_fd(pid, pidfd); close(pidfd); diff --git a/samples/qmi/Makefile b/samples/qmi/Makefile index 2b111d2769df..641943d40c4a 100644 --- a/samples/qmi/Makefile +++ b/samples/qmi/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_QMI_CLIENT) += qmi_sample_client.o diff --git a/samples/rpmsg/Makefile b/samples/rpmsg/Makefile index 2d4973c69663..ddf9a5d13cad 100644 --- a/samples/rpmsg/Makefile +++ b/samples/rpmsg/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_RPMSG_CLIENT) += rpmsg_client_sample.o diff --git a/samples/rpmsg/rpmsg_client_sample.c b/samples/rpmsg/rpmsg_client_sample.c index f161dfd3e70a..2a0695573b47 100644 --- a/samples/rpmsg/rpmsg_client_sample.c +++ b/samples/rpmsg/rpmsg_client_sample.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Remote processor messaging - sample client driver * @@ -6,15 +7,6 @@ * * Ohad Ben-Cohen <ohad@wizery.com> * Brian Swetland <swetland@google.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> diff --git a/samples/trace_events/Makefile b/samples/trace_events/Makefile index 0f8d92120c4e..b78344e7bbed 100644 --- a/samples/trace_events/Makefile +++ b/samples/trace_events/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # builds the trace events example kernel modules; # then to use one (as root): insmod <module_name.ko> diff --git a/samples/trace_events/trace-events-sample.c b/samples/trace_events/trace-events-sample.c index 5522692100ba..1a72b7d95cdc 100644 --- a/samples/trace_events/trace-events-sample.c +++ b/samples/trace_events/trace-events-sample.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/module.h> #include <linux/kthread.h> @@ -33,7 +34,7 @@ static void simple_thread_func(int cnt) /* Silly tracepoints */ trace_foo_bar("hello", cnt, array, random_strings[len], - ¤t->cpus_allowed); + current->cpus_ptr); trace_foo_with_template_simple("HELLO", cnt); diff --git a/samples/trace_printk/Makefile b/samples/trace_printk/Makefile index 19900ab2b00d..c0df36167d60 100644 --- a/samples/trace_printk/Makefile +++ b/samples/trace_printk/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # builds a module that calls various trace_printk routines # then to use one (as root): insmod <module_name.ko> diff --git a/samples/trace_printk/trace-printk.c b/samples/trace_printk/trace-printk.c index e9e0040ff7be..7affc3b50b61 100644 --- a/samples/trace_printk/trace-printk.c +++ b/samples/trace_printk/trace-printk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/module.h> #include <linux/kthread.h> #include <linux/irq_work.h> diff --git a/samples/uhid/Makefile b/samples/uhid/Makefile index 8d7fd6190ac4..8c9bc9f98d37 100644 --- a/samples/uhid/Makefile +++ b/samples/uhid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # List of programs to build hostprogs-y := uhid-example diff --git a/samples/v4l/Makefile b/samples/v4l/Makefile index 65a351d75c95..f86ab1245810 100644 --- a/samples/v4l/Makefile +++ b/samples/v4l/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_VIDEO_PCI_SKELETON) := v4l2-pci-skeleton.o diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c index 758ced8c3d06..f6a551bd57ef 100644 --- a/samples/v4l/v4l2-pci-skeleton.c +++ b/samples/v4l/v4l2-pci-skeleton.c @@ -58,6 +58,7 @@ MODULE_LICENSE("GPL v2"); * @queue: vb2 video capture queue * @qlock: spinlock controlling access to buf_list and sequence * @buf_list: list of buffers queued for DMA + * @field: the field (TOP/BOTTOM/other) of the current buffer * @sequence: frame sequence counter */ struct skeleton { diff --git a/samples/vfio-mdev/Makefile b/samples/vfio-mdev/Makefile index 7db889ca135c..10d179c4fdeb 100644 --- a/samples/vfio-mdev/Makefile +++ b/samples/vfio-mdev/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_SAMPLE_VFIO_MDEV_MTTY) += mtty.o obj-$(CONFIG_SAMPLE_VFIO_MDEV_MDPY) += mdpy.o obj-$(CONFIG_SAMPLE_VFIO_MDEV_MDPY_FB) += mdpy-fb.o diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c index 1c77c370c92f..ba7ef53c5f6a 100644 --- a/samples/vfio-mdev/mtty.c +++ b/samples/vfio-mdev/mtty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Mediated virtual PCI serial host device driver * @@ -5,13 +6,8 @@ * Author: Neo Jia <cjia@nvidia.com> * Kirti Wankhede <kwankhede@nvidia.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Sample driver that creates mdev device that simulates serial port over PCI * card. - * */ #include <linux/init.h> diff --git a/samples/vfs/Makefile b/samples/vfs/Makefile index a3e4ffd4c773..e21c9f6fe9be 100644 --- a/samples/vfs/Makefile +++ b/samples/vfs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # List of programs to build hostprogs-y := \ test-fsmount \ diff --git a/samples/vfs/test-fsmount.c b/samples/vfs/test-fsmount.c index 266d72b3dce4..50f47b72e85f 100644 --- a/samples/vfs/test-fsmount.c +++ b/samples/vfs/test-fsmount.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* fd-based mount test. * * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #include <stdio.h> diff --git a/samples/vfs/test-statx.c b/samples/vfs/test-statx.c index e91f918e84c4..a3d68159fb51 100644 --- a/samples/vfs/test-statx.c +++ b/samples/vfs/test-statx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Test the statx() system call. * * Note that the output of this program is intended to look like the output of @@ -5,11 +6,6 @@ * * Copyright (C) 2015 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #define _GNU_SOURCE |