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author | Vasily Averin <vvs@virtuozzo.com> | 2018-11-04 00:11:19 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-21 11:19:21 +0300 |
commit | f7b6459e5144a789ab6365a63da2fca6dfd38c12 (patch) | |
tree | 8b93df535f4387d62fe22bf0596eeef3682d7a83 | |
parent | ebbc6fce6d2cb84e43245ba77b385323ace747b2 (diff) | |
download | linux-f7b6459e5144a789ab6365a63da2fca6dfd38c12.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 ebbc663d0798..ff0968b98eb1 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1124,8 +1124,10 @@ 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) |