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authorTang Junhui <tang.junhui@zte.com.cn>2018-01-08 23:21:22 +0300
committerJens Axboe <axboe@kernel.dk>2018-01-08 23:29:00 +0300
commit539d39eb27083405b82b9e604e88af01a9a46c63 (patch)
tree5addc3281f3247dd87e93731f00584a8529e63b7 /drivers/md/bcache/debug.c
parent4eca1cb28d8b0574ca4f1f48e9331c5f852d43b9 (diff)
downloadlinux-539d39eb27083405b82b9e604e88af01a9a46c63.tar.xz
bcache: fix wrong return value in bch_debug_init()
in bch_debug_init(), ret is always 0, and the return value is useless, change it to return 0 if be success after calling debugfs_create_dir(), else return a non-zero value. Signed-off-by: Tang Junhui <tang.junhui@zte.com.cn> Reviewed-by: Michael Lyle <mlyle@lyle.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/bcache/debug.c')
-rw-r--r--drivers/md/bcache/debug.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index 879ab21074c6..af89408befe8 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -251,8 +251,7 @@ void bch_debug_exit(void)
int __init bch_debug_init(struct kobject *kobj)
{
- int ret = 0;
-
debug = debugfs_create_dir("bcache", NULL);
- return ret;
+
+ return IS_ERR_OR_NULL(debug);
}