[PATCH 5.10 49/59] ext4: fix error code saved on super block during file system abort

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>

commit 124e7c61deb27d758df5ec0521c36cf08d417f7a upstream.

ext4_abort will eventually call ext4_errno_to_code, which translates the
errno to an EXT4_ERR specific error.  This means that ext4_abort expects
an errno.  By using EXT4_ERR_ here, it gets misinterpreted (as an errno),
and ends up saving EXT4_ERR_EBUSY on the superblock during an abort,
which makes no sense.

ESHUTDOWN will get properly translated to EXT4_ERR_SHUTDOWN, so use that
instead.

Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211026173302.84000-1-krisman@xxxxxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/ext4/super.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5887,7 +5887,7 @@ static int ext4_remount(struct super_blo
 	}
 
 	if (ext4_test_mount_flag(sb, EXT4_MF_FS_ABORTED))
-		ext4_abort(sb, EXT4_ERR_ESHUTDOWN, "Abort forced by user");
+		ext4_abort(sb, ESHUTDOWN, "Abort forced by user");
 
 	sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
 		(test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0);






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