Don't forget to release cgroup_mutex if alloc_trial_cpuset() fails.
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
kernel/cpuset.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 1ca786a..6272503 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1561,8 +1561,10 @@ static int cpuset_write_resmask(struct cgroup *cgrp, struct cftype *cft,
return -ENODEV;
trialcs = alloc_trial_cpuset(cs);
- if (!trialcs)
+ if (!trialcs) {
+ cgroup_unlock();
return -ENOMEM;
+ }
switch (cft->private) {
case FILE_CPULIST:
--
1.7.3.1
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