ipc: lost unlock and fput in mqueue.c on error path
Pavel Emelyanov [Thu, 29 Nov 2007 00:21:31 +0000 (16:21 -0800)]
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>

ipc/mqueue.c

index 1e04cd4..6ca7b97 100644 (file)
@@ -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