diff options
author | Yang Shi <[email protected]> | 2020-04-01 21:09:59 -0700 |
---|---|---|
committer | Linus Torvalds <[email protected]> | 2020-04-02 09:35:31 -0700 |
commit | 565dc842313fde3d0a2e817f96b42bd6a1eb0cad (patch) | |
tree | 96c7a1c7bd1749abeb64af931347745dc0ceffd3 | |
parent | fe925c0cb05b5616353e8b68eb914c9840cad2f9 (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.c | 6 |
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, ","); |