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>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 2a7ae2963185..8d1b785f0dc9 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;