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| author | Vasily Averin <vvs@virtuozzo.com> | 2018-11-04 00:11:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-21 11:27:43 +0300 |
| commit | 2eefc69471f17b4b65fc8ba8356b9ee3a7c523d0 (patch) | |
| tree | 8df4a9b69cb5e406cb1d92065d9f7982a1882dd6 | |
| parent | 989e44d6d2688a9bb162589a719410d6e7898502 (diff) | |
| download | linux-2eefc69471f17b4b65fc8ba8356b9ee3a7c523d0.tar.xz | |
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 <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 2.6.19
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/ext4/resize.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 783280ebc2fe..550eb2dfe357 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1095,8 +1095,10 @@ 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) |