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author | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-03 21:45:17 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-19 17:56:01 -0400 |
commit | 3968cf623892d710e651070243fd16af312a9797 (patch) | |
tree | 273164e59b53074a9330aa12d2764d0fc28ea245 /fs/eventpoll.c | |
parent | b8e8e1aa9f14110da180569908bbe538c9e9dc63 (diff) | |
download | op-kernel-dev-3968cf623892d710e651070243fd16af312a9797.zip op-kernel-dev-3968cf623892d710e651070243fd16af312a9797.tar.gz |
get_compat_sigset()
similar to put_compat_sigset()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/eventpoll.c')
-rw-r--r-- | fs/eventpoll.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 2fabd19..396a3c07 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -2259,7 +2259,6 @@ COMPAT_SYSCALL_DEFINE6(epoll_pwait, int, epfd, compat_size_t, sigsetsize) { long err; - compat_sigset_t csigmask; sigset_t ksigmask, sigsaved; /* @@ -2269,9 +2268,8 @@ COMPAT_SYSCALL_DEFINE6(epoll_pwait, int, epfd, if (sigmask) { if (sigsetsize != sizeof(compat_sigset_t)) return -EINVAL; - if (copy_from_user(&csigmask, sigmask, sizeof(csigmask))) + if (get_compat_sigset(&ksigmask, sigmask)) return -EFAULT; - sigset_from_compat(&ksigmask, &csigmask); sigsaved = current->blocked; set_current_blocked(&ksigmask); } |