diff options
Diffstat (limited to 'blockdev/linux')
| -rw-r--r-- | blockdev/linux/ext4_filedev.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/blockdev/linux/ext4_filedev.c b/blockdev/linux/ext4_filedev.c index 7355c30..d017dd2 100644 --- a/blockdev/linux/ext4_filedev.c +++ b/blockdev/linux/ext4_filedev.c @@ -86,7 +86,8 @@ static int filedev_bread(struct ext4_blockdev *bdev, void *buf, uint64_t blk_id, { if (fseeko(dev_file, blk_id * bdev->ph_bsize, SEEK_SET)) return EIO; - + if (!blk_cnt) + return EOK; if (!fread(buf, bdev->ph_bsize * blk_cnt, 1, dev_file)) return EIO; @@ -112,7 +113,8 @@ static int filedev_bwrite(struct ext4_blockdev *bdev, const void *buf, { if (fseeko(dev_file, blk_id * bdev->ph_bsize, SEEK_SET)) return EIO; - + if (!blk_cnt) + return EOK; if (!fwrite(buf, bdev->ph_bsize * blk_cnt, 1, dev_file)) return EIO; |