fix logic error in ipc compat semctl()
When calling a semctl(IPC_STAT) without IPC_64 the check if the memory is
unevaluated. This patch fixes this.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/ipc/compat.c b/ipc/compat.c
index 8b44aa9..ab76fb0 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -225,7 +225,7 @@
int err;
if (!access_ok (VERIFY_WRITE, up, sizeof(*up)))
- err = -EFAULT;
+ return -EFAULT;
err = __put_compat_ipc_perm(&s->sem_perm, &up->sem_perm);
err |= __put_user(s->sem_otime, &up->sem_otime);
err |= __put_user(s->sem_ctime, &up->sem_ctime);