From: Vasily Averin Date: Sat, 3 Nov 2018 21:11:19 +0000 (-0400) Subject: ext4: add missing brelse() update_backups()'s error path X-Git-Tag: v4.14.82~51 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9910b2578039587832804469610f6742c2d06148;p=users%2Fjedix%2Flinux-maple.git 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 --- diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index e344e606c054c..bf58402da7ac0 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1097,8 +1097,10 @@ static void update_backups(struct super_block *sb, sector_t 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)