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ext4: add missing brelse() add_new_gdb_meta_bg()'s error path 

Fixes: 01f795f9e0 ("ext4: add online resizing support for meta_bg ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 3.7
This commit is contained in:
Vasily Averin 2018-11-03 16:50:08 -04:00 committed by Theodore Ts'o
parent cea5794122
commit 61a9c11e5e
1 changed files with 1 additions and 2 deletions
fs/ext4
resize.c

3
fs/ext4/resize.c
View File

@ -922,6 +922,7 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
sizeof(struct buffer_head *), sizeof(struct buffer_head *),
GFP_NOFS); GFP_NOFS);
if (!n_group_desc) { if (!n_group_desc) {
brelse(gdb_bh);
err = -ENOMEM; err = -ENOMEM;
ext4_warning(sb, "not enough memory for %lu groups", ext4_warning(sb, "not enough memory for %lu groups",
gdb_num + 1); gdb_num + 1);
@ -937,8 +938,6 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
kvfree(o_group_desc); kvfree(o_group_desc);
BUFFER_TRACE(gdb_bh, "get_write_access"); BUFFER_TRACE(gdb_bh, "get_write_access");
err = ext4_journal_get_write_access(handle, gdb_bh); err = ext4_journal_get_write_access(handle, gdb_bh);
if (unlikely(err))
brelse(gdb_bh);
return err; return err;
} }