From: Chengguang Xu <cgxu519@gmx.com>
Date: Mon, 27 Aug 2018 23:51:30 +0000 (+0800)
Subject: s390/dasd: remove unnecessary condition check
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~6131^2~82
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=734781a9165a1d2fe6117a6435dd3f7619dd9794;p=linux.git

s390/dasd: remove unnecessary condition check

kmem_cache_destroy() can handle NULL pointer correctly, so there is
no need to check NULL pointer before calling kmem_cache_destroy().

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index a23e7d394a0a..5e9ebdb0594c 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3309,10 +3309,8 @@ dasd_exit(void)
 	dasd_proc_exit();
 #endif
 	dasd_eer_exit();
-        if (dasd_page_cache != NULL) {
-		kmem_cache_destroy(dasd_page_cache);
-		dasd_page_cache = NULL;
-	}
+	kmem_cache_destroy(dasd_page_cache);
+	dasd_page_cache = NULL;
 	dasd_gendisk_exit();
 	dasd_devmap_exit();
 	if (dasd_debug_area != NULL) {