linux-kernel - [PATCH v3 02/13] ext4: add missed brelse in update

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Message-Id: <20230826174712.4059355-3-shikemeng@huaweicloud.com>
Date:   Sun, 27 Aug 2023 01:47:01 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     tytso@....edu, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 02/13] ext4: add missed brelse in update_backups

add missed brelse in update_backups

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
Reviewed-by: Theodore Ts'o <tytso@....edu>
---
 fs/ext4/resize.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 87cd5b07a970..7cbc695b7005 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1191,8 +1191,10 @@ 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)
-- 
2.30.0