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From:   Dongli Zhang <dongli.zhang@oracle.com>
To:     linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     axboe@kernel.dk, jack@suse.cz
Subject: [PATCH 1/2] loop: do not print warn message if partition scan is successful
Date:   Thu, 21 Feb 2019 12:17:34 +0800
Message-Id: <1550722655-15102-2-git-send-email-dongli.zhang@oracle.com>
In-Reply-To: <1550722655-15102-1-git-send-email-dongli.zhang@oracle.com>
References: <1550722655-15102-1-git-send-email-dongli.zhang@oracle.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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.zhang@oracle.com>
---
 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