Eric Lee / linux-smarc-t335x-v3.2

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Commit b75f38d659e6fc747eda64cb72f3920e29dd44a4

Authored by Li Zefan
Committed by Linus Torvalds
1 parent 2ec38a0359
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

cpuset: add a missing unlock in cpuset_write_resmask() 

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

[akpm@linux-foundation.org: avoid multiple return points]
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Miao Xie <miaox@cn.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 5 additions and 2 deletions Side-by-side Diff

... ... @@ -1575,8 +1575,10 @@
1575 1575 return -ENODEV;
1576 1576  
1577 1577 trialcs = alloc_trial_cpuset(cs);
1578   - if (!trialcs)
1579   - return -ENOMEM;
  1578 + if (!trialcs) {
  1579 + retval = -ENOMEM;
  1580 + goto out;
  1581 + }
1580 1582  
1581 1583 switch (cft->private) {
1582 1584 case FILE_CPULIST:
... ... @@ -1591,6 +1593,7 @@
1591 1593 }
1592 1594  
1593 1595 free_trial_cpuset(trialcs);
  1596 +out:
1594 1597 cgroup_unlock();
1595 1598 return retval;
1596 1599 }