[PATCH v3 1/2] loop: do not print warn message if partition scan is successful

[Dongli Zhang]

Do not print warn message when the partition scan returns 0.

Fixes: d57f3374ba48 ("loop: Move special partition reread handling in 
loop_clr_fd()")
Signed-off-by: Dongli Zhang <dongli.zh...@oracle.com>
Reviewed-by: Jan Kara <j...@suse.cz>
---
 drivers/block/loop.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index cf55389..7908673 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1115,8 +1115,9 @@ static int __loop_clr_fd(struct loop_device *lo, bool 
release)
                        err = __blkdev_reread_part(bdev);
                else
                        err = blkdev_reread_part(bdev);
-               pr_warn("%s: partition scan of loop%d failed (rc=%d)\n",
-                       __func__, lo_number, err);
+               if (err)
+                       pr_warn("%s: partition scan of loop%d failed (rc=%d)\n",
+                               __func__, lo_number, err);
                /* Device is gone, no point in returning error */
                err = 0;
        }
-- 
2.7.4