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-rw-r--r--fs/ext4/resize.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index ebbc663d0798..a5efee34415f 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -459,16 +459,18 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle,
BUFFER_TRACE(bh, "get_write_access");
err = ext4_journal_get_write_access(handle, bh);
- if (err)
+ if (err) {
+ brelse(bh);
return err;
+ }
ext4_debug("mark block bitmap %#04llx (+%llu/%u)\n",
first_cluster, first_cluster - start, count2);
ext4_set_bits(bh->b_data, first_cluster - start, count2);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (unlikely(err))
return err;
- brelse(bh);
}
return 0;
@@ -605,7 +607,6 @@ handle_bb:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
- bh = NULL;
goto out;
}
overhead = ext4_group_overhead_blocks(sb, group);
@@ -618,9 +619,9 @@ handle_bb:
ext4_mark_bitmap_end(EXT4_B2C(sbi, group_data[i].blocks_count),
sb->s_blocksize * 8, bh->b_data);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (err)
goto out;
- brelse(bh);
handle_ib:
if (bg_flags[i] & EXT4_BG_INODE_UNINIT)
@@ -635,18 +636,16 @@ handle_ib:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
- bh = NULL;
goto out;
}
ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
sb->s_blocksize * 8, bh->b_data);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (err)
goto out;
- brelse(bh);
}
- bh = NULL;
/* Mark group tables in block bitmap */
for (j = 0; j < GROUP_TABLE_COUNT; j++) {
@@ -685,7 +684,6 @@ handle_ib:
}
out:
- brelse(bh);
err2 = ext4_journal_stop(handle);
if (err2 && !err)
err = err2;
@@ -873,6 +871,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);
if (unlikely(err)) {
ext4_std_error(sb, err);
+ iloc.bh = NULL;
goto exit_inode;
}
brelse(dind);
@@ -924,6 +923,7 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
sizeof(struct buffer_head *),
GFP_NOFS);
if (!n_group_desc) {
+ brelse(gdb_bh);
err = -ENOMEM;
ext4_warning(sb, "not enough memory for %lu groups",
gdb_num + 1);
@@ -939,8 +939,6 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
kvfree(o_group_desc);
BUFFER_TRACE(gdb_bh, "get_write_access");
err = ext4_journal_get_write_access(handle, gdb_bh);
- if (unlikely(err))
- brelse(gdb_bh);
return err;
}
@@ -1124,8 +1122,10 @@ 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)
@@ -2023,7 +2023,7 @@ retry:
err = ext4_alloc_flex_bg_array(sb, n_group + 1);
if (err)
- return err;
+ goto out;
err = ext4_mb_alloc_groupinfo(sb, n_group + 1);
if (err)
@@ -2059,6 +2059,10 @@ retry:
n_blocks_count_retry = 0;
free_flex_gd(flex_gd);
flex_gd = NULL;
+ if (resize_inode) {
+ iput(resize_inode);
+ resize_inode = NULL;
+ }
goto retry;
}