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| author | Martin KaFai Lau | 2018-05-23 00:03:31 +0200 |
|---|---|---|
| committer | Daniel Borkmann | 2018-05-23 12:03:31 +0200 |
| commit | dcab51f19b291d5ee23724c51b0a3a597c16451a (patch) | |
| tree | 2135e977593fc50a3ee57d65a0994bb5baa8117d /include/linux/bpf.h | |
| parent | Merge branch 'bpf-fib-mtu-check' (diff) | |
| download | kernel-qcow2-linux-dcab51f19b291d5ee23724c51b0a3a597c16451a.tar.gz kernel-qcow2-linux-dcab51f19b291d5ee23724c51b0a3a597c16451a.tar.xz kernel-qcow2-linux-dcab51f19b291d5ee23724c51b0a3a597c16451a.zip | |
bpf: Expose check_uarg_tail_zero()
This patch exposes check_uarg_tail_zero() which will
be reused by a later BTF patch. Its name is changed to
bpf_check_uarg_tail_zero().
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include/linux/bpf.h')
| -rw-r--r-- | include/linux/bpf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index ed0122b45b63..f6fe3c719ca8 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -463,6 +463,8 @@ int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file, int bpf_fd_htab_map_lookup_elem(struct bpf_map *map, void *key, u32 *value); int bpf_get_file_flag(int flags); +int bpf_check_uarg_tail_zero(void __user *uaddr, size_t expected_size, + size_t actual_size); /* memcpy that is used with 8-byte aligned pointers, power-of-8 size and * forced to use 'long' read/writes to try to atomically copy long counters. |