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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-02 20:39:15 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-02 20:39:15 -0500
commitdb61ec29fd56e089007cb7d9a646ea9ddf518c4d (patch)
tree77e78fc7538ea4e2beef06c10afa916898255e4c
parent0e803bafbb7d1b8a9031104f1a982a01b45da4c6 (diff)
fix compat_sys_rt_sigprocmask()
Converting bitmask to 32bit granularity is fine, but we'd better _do_ something with the result. Such as "copy it to userland"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--kernel/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 2a7ae296318..8d1b785f0dc 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2653,7 +2653,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user *, nset,
if (oset) {
compat_sigset_t old32;
sigset_to_compat(&old32, &old_set);
- if (copy_to_user(oset, &old_set, sizeof(sigset_t)))
+ if (copy_to_user(oset, &old32, sizeof(compat_sigset_t)))
return -EFAULT;
}
return 0;