diff options
| -rw-r--r-- | fs/ext4/ext4_common.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index 59ad6c8f8c..feffbfa9a9 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -1547,8 +1547,12 @@ static struct ext4_extent_header *ext4fs_get_extent_block break; } while (fileblock >= le32_to_cpu(index[i].ei_block)); - if (--i < 0) - return NULL; + /* + * If first logical block number is higher than requested fileblock, + * it is a sparse file. This is handled on upper layer. + */ + if (i > 0) + i--; block = le16_to_cpu(index[i].ei_leaf_hi); block = (block << 32) + le32_to_cpu(index[i].ei_leaf_lo); |