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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-03 21:45:17 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-19 17:56:01 -0400 |
| commit | 3968cf623892d710e651070243fd16af312a9797 (patch) | |
| tree | 273164e59b53074a9330aa12d2764d0fc28ea245 /fs/signalfd.c | |
| parent | b8e8e1aa9f14110da180569908bbe538c9e9dc63 (diff) | |
| download | lwn-3968cf623892d710e651070243fd16af312a9797.tar.gz lwn-3968cf623892d710e651070243fd16af312a9797.zip | |
get_compat_sigset()
similar to put_compat_sigset()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/signalfd.c')
| -rw-r--r-- | fs/signalfd.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/signalfd.c b/fs/signalfd.c index d2c434112f42..9de5beeb771d 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -312,15 +312,13 @@ COMPAT_SYSCALL_DEFINE4(signalfd4, int, ufd, compat_size_t, sigsetsize, int, flags) { - compat_sigset_t ss32; sigset_t tmp; sigset_t __user *ksigmask; if (sigsetsize != sizeof(compat_sigset_t)) return -EINVAL; - if (copy_from_user(&ss32, sigmask, sizeof(ss32))) + if (get_compat_sigset(&tmp, sigmask)) return -EFAULT; - sigset_from_compat(&tmp, &ss32); ksigmask = compat_alloc_user_space(sizeof(sigset_t)); if (copy_to_user(ksigmask, &tmp, sizeof(sigset_t))) return -EFAULT; |