linux-kernel - [PATCH] ext4: remove dead code in updating backup sb

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Date:   Fri, 30 Dec 2022 15:18:58 +0100
From:   Tanmay Bhushan <007047221b@...il.com>
To:     "Theodore Ts'o" <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Tanmay Bhushan <007047221b@...il.com>
Subject: [PATCH] ext4: remove dead code in updating backup sb

ext4_update_backup_sb checks for err having some value
after unlocking buffer. But err has not been updated
till that point in any code which will lead execution
of the code in question.

Signed-off-by: Tanmay Bhushan <007047221b@...il.com>
---
 fs/ext4/ioctl.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 8067ccda34e4..2e8c34036313 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -155,9 +155,6 @@ static int ext4_update_backup_sb(struct super_block *sb,
 	set_buffer_uptodate(bh);
 	unlock_buffer(bh);
 
-	if (err)
-		goto out_bh;
-
 	if (handle) {
 		err = ext4_handle_dirty_metadata(handle, NULL, bh);
 		if (err)
-- 
2.34.1