[PATCH] ext4: Fix ext4_error_err save negative errno into superblock

[Ye Bin]

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 <liuzhiqian...@huawei.com>
Signed-off-by: Ye Bin <yebi...@huawei.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