aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYang Shi <[email protected]>2020-04-01 21:09:59 -0700
committerLinus Torvalds <[email protected]>2020-04-02 09:35:31 -0700
commit565dc842313fde3d0a2e817f96b42bd6a1eb0cad (patch)
tree96c7a1c7bd1749abeb64af931347745dc0ceffd3
parentfe925c0cb05b5616353e8b68eb914c9840cad2f9 (diff)
mm: vmpressure: don't need call kfree if kstrndup fails
When kstrndup fails, no memory was allocated and we can exit directly. [[email protected]: reword changelog] Signed-off-by: Yang Shi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: Andrew Morton <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Acked-by: David Rientjes <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/vmpressure.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/vmpressure.c b/mm/vmpressure.c
index 4bac22fe1aa2..0590f0033448 100644
--- a/mm/vmpressure.c
+++ b/mm/vmpressure.c
@@ -371,10 +371,8 @@ int vmpressure_register_event(struct mem_cgroup *memcg,
int ret = 0;
spec_orig = spec = kstrndup(args, MAX_VMPRESSURE_ARGS_LEN, GFP_KERNEL);
- if (!spec) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!spec)
+ return -ENOMEM;
/* Find required level */
token = strsep(&spec, ",");