ipc: lost unlock and fput in mqueue.c on error path

The error path in sys_mq_getsetattr() after the call to
audit_mq_getsetattr() is wrong - the info->lock is not unlocked and the
struct file *filp is not put.

Fix them both.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: Pierre Peiffer <pierre.peiffer@bull.net>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 1e04cd464af9..6ca7b97114f3 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1138,8 +1138,10 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes,
         omqstat.mq_flags = filp->f_flags & O_NONBLOCK;
         if (u_mqstat) {
                 ret = audit_mq_getsetattr(mqdes, &mqstat);
-                if (ret != 0)
-                        goto out;
+                if (ret != 0) {
+                        spin_unlock(&info->lock);
+                        goto out_fput;
+                }
                 if (mqstat.mq_flags & O_NONBLOCK)
                         filp->f_flags |= O_NONBLOCK;
                 else