diff options
Diffstat (limited to 'fs/ext4/block_validity.c')
| -rw-r--r-- | fs/ext4/block_validity.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index 50784ef07563..4df8621ec31c 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -160,7 +160,7 @@ int ext4_setup_system_zone(struct super_block *sb) if (ext4_bg_has_super(sb, i) && ((i < 5) || ((i % flex_size) == 0))) add_system_zone(sbi, ext4_group_first_block_no(sb, i), - sbi->s_gdb_count + 1); + ext4_bg_num_gdb(sb, i) + 1); gdp = ext4_get_group_desc(sb, i, NULL); ret = add_system_zone(sbi, ext4_block_bitmap(sb, gdp), 1); if (ret) @@ -228,6 +228,7 @@ int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk, struct rb_node *n = sbi->system_blks.rb_node; if ((start_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) || + (start_blk + count < start_blk) || (start_blk + count > ext4_blocks_count(sbi->s_es))) return 0; while (n) { |