[PATCH] mm/list_lru: Remove redundant NULL check before kfree()

[Yu-Chun Lin]

The kernel's kfree() documentation states: "If @object is NULL, no
operation is performed." Remove checking for NULL before calling kfree().

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202502250720.9ueIb7Xh-lkp@xxxxxxxxx/
Signed-off-by: Yu-Chun Lin <eleanor15x@xxxxxxxxx>
---
 mm/list_lru.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/list_lru.c b/mm/list_lru.c
index 7d69434c70e0..7c8fb17d9027 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -548,8 +548,7 @@ int memcg_list_lru_alloc(struct mem_cgroup *memcg, struct list_lru *lru,
 			}
 			xas_unlock_irqrestore(&xas, flags);
 		} while (xas_nomem(&xas, gfp));
-		if (mlru)
-			kfree(mlru);
+		kfree(mlru);
 	} while (pos != memcg && !css_is_dying(&pos->css));
 
 	return xas_error(&xas);
-- 
2.43.0