[patch 050/173] mm/swap_slots.c: remove redundant NULL check

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From: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
Subject: mm/swap_slots.c: remove redundant NULL check

Fix below warnings reported by coccicheck:
./mm/swap_slots.c:197:3-9: WARNING: NULL check before some freeing
functions is not needed.

Link: https://lkml.kernel.org/r/1611214229-11225-1-git-send-email-abaci-bugfix@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

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

--- a/mm/swap_slots.c~mm-swap_slotsc-remove-redundant-null-check
+++ a/mm/swap_slots.c
@@ -193,8 +193,7 @@ static void drain_slots_cache_cpu(unsign
 			cache->slots_ret = NULL;
 		}
 		spin_unlock_irq(&cache->free_lock);
-		if (slots)
-			kvfree(slots);
+		kvfree(slots);
 	}
 }
 
_




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