kernel/pid.c: reenable interrupts when alloc_pid() fails because init has exited
Eric W. Biederman [Tue, 12 Feb 2013 21:46:23 +0000 (13:46 -0800)]
We're forgetting to reenable local interrupts on an error path.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Reported-by: Josh Boyer <jwboyer@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/pid.c

index de9af60..f2c6a68 100644 (file)
@@ -331,7 +331,7 @@ out:
        return pid;
 
 out_unlock:
-       spin_unlock(&pidmap_lock);
+       spin_unlock_irq(&pidmap_lock);
 out_free:
        while (++i <= ns->level)
                free_pidmap(pid->numbers + i);