[PATCH 5.0 49/89] loop: do not print warn message if partition scan is successful

[Greg Kroah-Hartman]

From: Dongli Zhang <dongli.zh...@oracle.com>

commit 40853d6fc619a6fd3d3177c3973a2eac9b598a80 upstream.

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>
Signed-off-by: Jens Axboe <ax...@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/block/loop.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1111,8 +1111,9 @@ out_unlock:
                        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;
        }