mm: memcontrol: remove unnecessary NULL check before free_percpu()

[PATCH] mm: memcontrol: remove unnecessary NULL check before free_percpu()

Chen Ni posted 1 patch 8 months ago

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mm/memcontrol-v1.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

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[PATCH] mm: memcontrol: remove unnecessary NULL check before free_percpu()

Posted by Chen Ni 8 months ago

free_percpu() checks for NULL pointers internally.
Remove unneeded NULL check here.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
---
 mm/memcontrol-v1.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index 4a9cf27a70af..54c49cbfc968 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -2198,8 +2198,7 @@ bool memcg1_alloc_events(struct mem_cgroup *memcg)
 
 void memcg1_free_events(struct mem_cgroup *memcg)
 {
-	if (memcg->events_percpu)
-		free_percpu(memcg->events_percpu);
+	free_percpu(memcg->events_percpu);
 }
 
 static int __init memcg1_init(void)
-- 
2.25.1