Revision 6987307c block.c
| b/block.c | ||
|---|---|---|
| 428 | 428 |
drv = find_image_format(filename); |
| 429 | 429 |
} |
| 430 | 430 |
} |
| 431 |
|
|
| 431 | 432 |
if (!drv) {
|
| 432 | 433 |
ret = -ENOENT; |
| 433 | 434 |
goto unlink_and_fail; |
| 434 | 435 |
} |
| 436 |
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv)) {
|
|
| 437 |
ret = -ENOTSUP; |
|
| 438 |
goto unlink_and_fail; |
|
| 439 |
} |
|
| 440 |
|
|
| 435 | 441 |
bs->drv = drv; |
| 436 | 442 |
bs->opaque = qemu_mallocz(drv->instance_size); |
| 437 | 443 |
|
| ... | ... | |
| 453 | 459 |
} else {
|
| 454 | 460 |
open_flags = flags & ~(BDRV_O_FILE | BDRV_O_SNAPSHOT); |
| 455 | 461 |
} |
| 456 |
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv)) {
|
|
| 457 |
ret = -ENOTSUP; |
|
| 458 |
} else {
|
|
| 459 |
ret = drv->bdrv_open(bs, filename, open_flags); |
|
| 460 |
} |
|
| 462 |
|
|
| 463 |
ret = drv->bdrv_open(bs, filename, open_flags); |
|
| 461 | 464 |
if (ret < 0) {
|
| 462 |
qemu_free(bs->opaque); |
|
| 463 |
bs->opaque = NULL; |
|
| 464 |
bs->drv = NULL; |
|
| 465 |
unlink_and_fail: |
|
| 466 |
if (bs->is_temporary) |
|
| 467 |
unlink(filename); |
|
| 468 |
return ret; |
|
| 465 |
goto free_and_fail; |
|
| 469 | 466 |
} |
| 467 |
|
|
| 470 | 468 |
if (drv->bdrv_getlength) {
|
| 471 | 469 |
bs->total_sectors = bdrv_getlength(bs) >> BDRV_SECTOR_BITS; |
| 472 | 470 |
} |
| ... | ... | |
| 499 | 497 |
bs->change_cb(bs->change_opaque); |
| 500 | 498 |
} |
| 501 | 499 |
return 0; |
| 500 |
|
|
| 501 |
free_and_fail: |
|
| 502 |
qemu_free(bs->opaque); |
|
| 503 |
bs->opaque = NULL; |
|
| 504 |
bs->drv = NULL; |
|
| 505 |
unlink_and_fail: |
|
| 506 |
if (bs->is_temporary) |
|
| 507 |
unlink(filename); |
|
| 508 |
return ret; |
|
| 502 | 509 |
} |
| 503 | 510 |
|
| 504 | 511 |
void bdrv_close(BlockDriverState *bs) |
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