From cd10add00c1b31cd664a31108a9b395025def50a Mon Sep 17 00:00:00 2001
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Tue, 8 Sep 2015 15:04:55 -0700
Subject: [PATCH] zsmalloc: remove null check from destroy_handle_cache()
We can pass a NULL cache pointer to kmem_cache_destroy(), because it
NULL-checks its argument now. Remove redundant test from
destroy_handle_cache().
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/zsmalloc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index c19b99c8a4572..089120429c183 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -288,8 +288,7 @@ static int create_handle_cache(struct zs_pool *pool)
static void destroy_handle_cache(struct zs_pool *pool)
{
- if (pool->handle_cachep)
- kmem_cache_destroy(pool->handle_cachep);
+ kmem_cache_destroy(pool->handle_cachep);
}
static unsigned long alloc_handle(struct zs_pool *pool)
--
2.30.2