[tip:core/debugobjects] debugobjects: Remove redundant NULL pointer check

[tip-bot for Zhong Jiang]

Commit-ID:  3ff4f80a74fd38398ae1bd8a458ba9c51aa0dd44
Gitweb:     https://git.kernel.org/tip/3ff4f80a74fd38398ae1bd8a458ba9c51aa0dd44
Author:     Zhong Jiang <zhongjiang@xxxxxxxxxx>
AuthorDate: Wed, 1 Aug 2018 00:24:58 +0800
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 2 Aug 2018 13:53:04 +0200

debugobjects: Remove redundant NULL pointer check

kmem_cache_destroy() has a built in NULL pointer check, so the one at the
call can be removed.

Signed-off-by: Zhong Jiang <zhongjiang@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: <longman@xxxxxxxxxx>
Cc: <arnd@xxxxxxxx>
Cc: <yang.shi@xxxxxxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/1533054298-35824-1-git-send-email-zhongjiang@xxxxxxxxxx

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

diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 24c1df0d7466..70935ed91125 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -1188,8 +1188,7 @@ void __init debug_objects_mem_init(void)
 
 	if (!obj_cache || debug_objects_replace_static_objects()) {
 		debug_objects_enabled = 0;
-		if (obj_cache)
-			kmem_cache_destroy(obj_cache);
+		kmem_cache_destroy(obj_cache);
 		pr_warn("out of memory.\n");
 	} else
 		debug_objects_selftest();