From: Tang Junhui <[email protected]> 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 <[email protected]> --- drivers/md/bcache/debug.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index c7a02c4..2bb0b28 --- 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); } -- 1.8.3.1
