Revision d191d12d block/qcow2.c
| b/block/qcow2.c | ||
|---|---|---|
| 166 | 166 |
|
| 167 | 167 |
if (header.magic != QCOW_MAGIC || header.version != QCOW_VERSION) |
| 168 | 168 |
goto fail; |
| 169 |
if (header.size <= 1 || |
|
| 170 |
header.cluster_bits < MIN_CLUSTER_BITS || |
|
| 169 |
if (header.cluster_bits < MIN_CLUSTER_BITS || |
|
| 171 | 170 |
header.cluster_bits > MAX_CLUSTER_BITS) |
| 172 | 171 |
goto fail; |
| 173 | 172 |
if (header.crypt_method > QCOW_CRYPT_AES) |
| ... | ... | |
| 200 | 199 |
if (s->l1_size < s->l1_vm_state_index) |
| 201 | 200 |
goto fail; |
| 202 | 201 |
s->l1_table_offset = header.l1_table_offset; |
| 203 |
s->l1_table = qemu_mallocz( |
|
| 204 |
align_offset(s->l1_size * sizeof(uint64_t), 512)); |
|
| 205 |
if (bdrv_pread(s->hd, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)) != |
|
| 206 |
s->l1_size * sizeof(uint64_t)) |
|
| 207 |
goto fail; |
|
| 208 |
for(i = 0;i < s->l1_size; i++) {
|
|
| 209 |
be64_to_cpus(&s->l1_table[i]); |
|
| 202 |
if (s->l1_size > 0) {
|
|
| 203 |
s->l1_table = qemu_mallocz( |
|
| 204 |
align_offset(s->l1_size * sizeof(uint64_t), 512)); |
|
| 205 |
if (bdrv_pread(s->hd, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)) != |
|
| 206 |
s->l1_size * sizeof(uint64_t)) |
|
| 207 |
goto fail; |
|
| 208 |
for(i = 0;i < s->l1_size; i++) {
|
|
| 209 |
be64_to_cpus(&s->l1_table[i]); |
|
| 210 |
} |
|
| 210 | 211 |
} |
| 211 | 212 |
/* alloc L2 cache */ |
| 212 | 213 |
s->l2_cache = qemu_malloc(s->l2_size * L2_CACHE_SIZE * sizeof(uint64_t)); |
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