[Drbd-dev] [PATCH 63/78] bcache: remove a superflous lookup_bdev all

[Christoph Hellwig]

Don't bother to call lookup_bdev for just a slightly different error
message without any functional change.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 drivers/md/bcache/super.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 46a00134a36ae1..d36ccdda16ed2e 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2538,15 +2538,7 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
 				  sb);
 	if (IS_ERR(bdev)) {
 		if (bdev == ERR_PTR(-EBUSY)) {
-			bdev = lookup_bdev(strim(path));
-			mutex_lock(&bch_register_lock);
-			if (!IS_ERR(bdev) && bch_is_open(bdev))
-				err = "device already registered";
-			else
-				err = "device busy";
-			mutex_unlock(&bch_register_lock);
-			if (!IS_ERR(bdev))
-				bdput(bdev);
+			err = "device busy";
 			if (attr == &ksysfs_register_quiet)
 				goto done;
 		}
-- 
2.29.2