The patch below does not apply to the 3.7-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 6e6668845fe593414a938b7726d6359b5570ac5a Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebied...@xmission.com>
Date: Tue, 12 Feb 2013 13:46:23 -0800
Subject: [PATCH] kernel/pid.c: reenable interrupts when alloc_pid() fails
because init has exited
We're forgetting to reenable local interrupts on an error path.
Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
Reported-by: Josh Boyer <jwbo...@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
diff --git a/kernel/pid.c b/kernel/pid.c
index de9af60..f2c6a68 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -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);
--
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