author: Chen Jun <chenjun102@huawei.com> 2021-09-24 15:44:06 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-09-24 16:13:35 -0700
commit: bcbda81020c3ee77e2c098cadf3e84f99ca3de17
parent: 5c91c0e77b8f2681e2b269c8abb4c5acef434d5b
Commit Summary:
Diffstat:
1 file changed, 2 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c
index 499b6b5767ed..bacabe446906 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -787,7 +787,7 @@ int overcommit_policy_handler(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
- int new_policy;
+ int new_policy = -1;
int ret;
/*
@@ -805,7 +805,7 @@ int overcommit_policy_handler(struct ctl_table *table, int write, void *buffer,
t = *table;
t.data = &new_policy;
ret = proc_dointvec_minmax(&t, write, buffer, lenp, ppos);
- if (ret)
+ if (ret || new_policy == -1)
return ret;
mm_compute_batch(new_policy);