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Date:   Thu, 1 Apr 2021 15:22:34 +0800
From:   Ye Bin <yebin10@...wei.com>
To:     <tytso@....edu>, <adilger.kernel@...ger.ca>,
        <linux-ext4@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Ye Bin <yebin10@...wei.com>,
        Liu Zhi Qiang <liuzhiqiang26@...wei.com>
Subject: [PATCH] ext4: Fix ext4_error_err save negative errno into superblock

As read_mmp_block return 1 when failed, so just pass retval to
save_error_info.

Fixes: 54d3adbc29f0 ("ext4: save all error info in save_error_info() and
drop ext4_set_errno()")
Reported-by: Liu Zhi Qiang <liuzhiqiang26@...wei.com>
Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 fs/ext4/mmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 795c3ff2907c..bb8353e25841 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -171,7 +171,7 @@ static int kmmpd(void *data)
 		 */
 		if (retval) {
 			if ((failed_writes % 60) == 0) {
-				ext4_error_err(sb, -retval,
+				ext4_error_err(sb, retval,
 					       "Error writing to MMP block");
 			}
 			failed_writes++;
-- 
2.25.4

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