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authorGuo Zhengkui <guozhengkui@vivo.com>2022-05-05 00:28:26 +0800
committerMike Snitzer <snitzer@kernel.org>2022-05-09 15:40:10 -0400
commitd254c3699fddb671bc555f042c96ec033582ae72 (patch)
tree76480bfc2d263d636e332e0d427a81d565d38842 /drivers/md/dm-cache-metadata.c
parentc06dfd124d46df9c482fbd1319b5fe19bcb1a110 (diff)
downloadlinux-d254c3699fddb671bc555f042c96ec033582ae72.tar.gz
dm cache metadata: remove unnecessary variable in __dump_mapping
Fix the following coccicheck warning:

drivers/md/dm-cache-metadata.c:1512:5-6: Unneeded variable: "r".
Return "0" on line 1520.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md/dm-cache-metadata.c')
-rw-r--r--drivers/md/dm-cache-metadata.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 2874f222c313..ab13b7380265 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1509,7 +1509,6 @@ int dm_cache_load_mappings(struct dm_cache_metadata *cmd,
 
 static int __dump_mapping(void *context, uint64_t cblock, void *leaf)
 {
-	int r = 0;
 	__le64 value;
 	dm_oblock_t oblock;
 	unsigned flags;
@@ -1517,7 +1516,7 @@ static int __dump_mapping(void *context, uint64_t cblock, void *leaf)
 	memcpy(&value, leaf, sizeof(value));
 	unpack_value(value, &oblock, &flags);
 
-	return r;
+	return 0;
 }
 
 static int __dump_mappings(struct dm_cache_metadata *cmd)