Revision c2bc78b6
| b/block/qcow2-refcount.c | ||
|---|---|---|
| 747 | 747 |
if (l1_table_offset != s->l1_table_offset) {
|
| 748 | 748 |
l1_table = g_malloc0(align_offset(l1_size2, 512)); |
| 749 | 749 |
l1_allocated = 1; |
| 750 |
if (bdrv_pread(bs->file, l1_table_offset, |
|
| 751 |
l1_table, l1_size2) != l1_size2) |
|
| 752 |
{
|
|
| 753 |
ret = -EIO; |
|
| 750 |
|
|
| 751 |
ret = bdrv_pread(bs->file, l1_table_offset, l1_table, l1_size2); |
|
| 752 |
if (ret < 0) {
|
|
| 754 | 753 |
goto fail; |
| 755 | 754 |
} |
| 756 | 755 |
|
| ... | ... | |
| 802 | 801 |
} |
| 803 | 802 |
|
| 804 | 803 |
if (refcount < 0) {
|
| 805 |
ret = -EIO;
|
|
| 804 |
ret = refcount;
|
|
| 806 | 805 |
goto fail; |
| 807 | 806 |
} |
| 808 | 807 |
} |
| ... | ... | |
| 833 | 832 |
refcount = get_refcount(bs, l2_offset >> s->cluster_bits); |
| 834 | 833 |
} |
| 835 | 834 |
if (refcount < 0) {
|
| 836 |
ret = -EIO;
|
|
| 835 |
ret = refcount;
|
|
| 837 | 836 |
goto fail; |
| 838 | 837 |
} else if (refcount == 1) {
|
| 839 | 838 |
l2_offset |= QCOW_OFLAG_COPIED; |
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