diff options
Diffstat (limited to 'fs/ext4/resize.c')
| -rw-r--r-- | fs/ext4/resize.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 59fa0be27251..3407a62590d6 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -161,6 +161,8 @@ static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned long flexbg_size) if (flex_gd == NULL) goto out3; + if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_flex_group_data)) + goto out2; flex_gd->count = flexbg_size; flex_gd->groups = kmalloc(sizeof(struct ext4_new_group_data) * @@ -1139,7 +1141,7 @@ static void ext4_update_super(struct super_block *sb, struct ext4_new_group_data *group_data = flex_gd->groups; struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_super_block *es = sbi->s_es; - int i; + int i, ret; BUG_ON(flex_gd->count == 0 || group_data == NULL); /* @@ -1214,6 +1216,11 @@ static void ext4_update_super(struct super_block *sb, &sbi->s_flex_groups[flex_group].free_inodes); } + /* + * Update the fs overhead information + */ + ext4_calculate_overhead(sb); + if (test_opt(sb, DEBUG)) printk(KERN_DEBUG "EXT4-fs: added group %u:" "%llu blocks(%llu free %llu reserved)\n", flex_gd->count, |