This is a note to let you know that I've just added the patch titled

    cpuset: add a missing unlock in cpuset_write_resmask()

to the 2.6.37-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cpuset-add-a-missing-unlock-in-cpuset_write_resmask.patch
and it can be found in the queue-2.6.37 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From b75f38d659e6fc747eda64cb72f3920e29dd44a4 Mon Sep 17 00:00:00 2001
From: Li Zefan <[email protected]>
Date: Fri, 4 Mar 2011 17:36:21 -0800
Subject: cpuset: add a missing unlock in cpuset_write_resmask()

From: Li Zefan <[email protected]>

commit b75f38d659e6fc747eda64cb72f3920e29dd44a4 upstream.

Don't forget to release cgroup_mutex if alloc_trial_cpuset() fails.

[[email protected]: avoid multiple return points]
Signed-off-by: Li Zefan <[email protected]>
Cc: Paul Menage <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Miao Xie <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 kernel/cpuset.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1575,8 +1575,10 @@ static int cpuset_write_resmask(struct c
                return -ENODEV;
 
        trialcs = alloc_trial_cpuset(cs);
-       if (!trialcs)
-               return -ENOMEM;
+       if (!trialcs) {
+               retval = -ENOMEM;
+               goto out;
+       }
 
        switch (cft->private) {
        case FILE_CPULIST:
@@ -1591,6 +1593,7 @@ static int cpuset_write_resmask(struct c
        }
 
        free_trial_cpuset(trialcs);
+out:
        cgroup_unlock();
        return retval;
 }


Patches currently in stable-queue which might be from [email protected] are

queue-2.6.37/cpuset-add-a-missing-unlock-in-cpuset_write_resmask.patch

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