linux-ext4 - [PATCH v1 3/5] ext4: No need to check return value of block_commit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230618213250.694110-4-beanhuo@iokpp.de>
Date:   Sun, 18 Jun 2023 23:32:48 +0200
From:   Bean Huo <beanhuo@...pp.de>
To:     viro@...iv.linux.org.uk, brauner@...nel.org,
        akpm@...ux-foundation.org, jack@...e.cz, jack@...e.com,
        tytso@....edu, adilger.kernel@...ger.ca, mark@...heh.com,
        jlbec@...lplan.org, joseph.qi@...ux.alibaba.com
Cc:     linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, ocfs2-devel@....oracle.com,
        beanhuo@...ron.com
Subject: [PATCH v1 3/5] ext4: No need to check return value of block_commit_write()

From: Bean Huo <beanhuo@...ron.com>

Remove unnecessary check on the return value of block_commit_write().

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 fs/ext4/move_extent.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index b5af2fc03b2f..f4b4861a74ee 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -392,14 +392,11 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
 	for (i = 0; i < block_len_in_page; i++) {
 		*err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0);
 		if (*err < 0)
-			break;
+			goto repair_branches;
 		bh = bh->b_this_page;
 	}
-	if (!*err)
-		*err = block_commit_write(&folio[0]->page, from, from + replaced_size);
 
-	if (unlikely(*err < 0))
-		goto repair_branches;
+	block_commit_write(&folio[0]->page, from, from + replaced_size);
 
 	/* Even in case of data=writeback it is reasonable to pin
 	 * inode to transaction, to prevent unexpected data loss */
-- 
2.34.1