diff options
Diffstat (limited to 'fs/eventpoll.c')
| -rw-r--r-- | fs/eventpoll.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 4a0e98d87fcc..d7f1f5011fac 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * fs/eventpoll.c (Efficient event retrieval implementation) * Copyright (C) 2001,...,2009 Davide Libenzi * - * 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. - * * Davide Libenzi <davidel@xmailserver.org> - * */ #include <linux/init.h> @@ -296,7 +291,7 @@ static LIST_HEAD(tfile_check_list); #include <linux/sysctl.h> -static long zero; +static long long_zero; static long long_max = LONG_MAX; struct ctl_table epoll_table[] = { @@ -306,7 +301,7 @@ struct ctl_table epoll_table[] = { .maxlen = sizeof(max_user_watches), .mode = 0644, .proc_handler = proc_doulongvec_minmax, - .extra1 = &zero, + .extra1 = &long_zero, .extra2 = &long_max, }, { } @@ -2318,19 +2313,17 @@ SYSCALL_DEFINE6(epoll_pwait, int, epfd, struct epoll_event __user *, events, size_t, sigsetsize) { int error; - sigset_t ksigmask, sigsaved; /* * If the caller wants a certain signal mask to be set during the wait, * we apply it here. */ - error = set_user_sigmask(sigmask, &ksigmask, &sigsaved, sigsetsize); + error = set_user_sigmask(sigmask, sigsetsize); if (error) return error; error = do_epoll_wait(epfd, events, maxevents, timeout); - - restore_user_sigmask(sigmask, &sigsaved); + restore_saved_sigmask_unless(error == -EINTR); return error; } @@ -2343,19 +2336,17 @@ COMPAT_SYSCALL_DEFINE6(epoll_pwait, int, epfd, compat_size_t, sigsetsize) { long err; - sigset_t ksigmask, sigsaved; /* * If the caller wants a certain signal mask to be set during the wait, * we apply it here. */ - err = set_compat_user_sigmask(sigmask, &ksigmask, &sigsaved, sigsetsize); + err = set_compat_user_sigmask(sigmask, sigsetsize); if (err) return err; err = do_epoll_wait(epfd, events, maxevents, timeout); - - restore_user_sigmask(sigmask, &sigsaved); + restore_saved_sigmask_unless(err == -EINTR); return err; } |