From 2b23c27fb1b995358821989bbcf9710ea2904fb8 Mon Sep 17 00:00:00 2001 From: Vasily Averin Date: Sat, 3 Nov 2018 17:11:19 -0400 Subject: [PATCH] ext4: add missing brelse() update_backups()'s error path commit ea0abbb648452cdb6e1734b702b6330a7448fcf8 upstream. Fixes: ac27a0ec112a ("ext4: initial copy of files from ext3") Signed-off-by: Vasily Averin Signed-off-by: Theodore Ts'o Cc: stable@kernel.org # 2.6.19 Signed-off-by: Greg Kroah-Hartman --- 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 1a46ed4..f058893 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1095,8 +1095,10 @@ static void update_backups(struct super_block *sb, int blk_off, char *data, backup_block, backup_block - ext4_group_first_block_no(sb, group)); BUFFER_TRACE(bh, "get_write_access"); - if ((err = ext4_journal_get_write_access(handle, bh))) + if ((err = ext4_journal_get_write_access(handle, bh))) { + brelse(bh); break; + } lock_buffer(bh); memcpy(bh->b_data, data, size); if (rest) -- 2.7.4