diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/mballoc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 1900ec7a157..b189cb4ff20 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4902,6 +4902,8 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) if (unlikely(minlen > EXT4_BLOCKS_PER_GROUP(sb))) return -EINVAL; + if (start + len <= first_data_blk) + goto out; if (start < first_data_blk) { len -= first_data_blk - start; start = first_data_blk; @@ -4950,5 +4952,6 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) } range->len = trimmed * sb->s_blocksize; +out: return ret; } |