From: Kemeng Shi <shikemeng@huaweicloud.com>
Date: Sat, 26 Aug 2023 17:47:01 +0000 (+0800)
Subject: ext4: add missed brelse in update_backups
X-Git-Tag: v6.5.13~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13859f9e64936125972aa79c3e5d3ccefb5a4036;p=thirdparty%2Fkernel%2Fstable.git

ext4: add missed brelse in update_backups

commit 9adac8b01f4be28acd5838aade42b8daa4f0b642 upstream.

add missed brelse in update_backups

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20230826174712.4059355-3-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 54e77a36b86f8..667381180b261 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1186,8 +1186,10 @@ static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
 			   ext4_group_first_block_no(sb, group));
 		BUFFER_TRACE(bh, "get_write_access");
 		if ((err = ext4_journal_get_write_access(handle, sb, bh,
-							 EXT4_JTR_NONE)))
+							 EXT4_JTR_NONE))) {
+			brelse(bh);
 			break;
+		}
 		lock_buffer(bh);
 		memcpy(bh->b_data, data, size);
 		if (rest)