diff options
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/scsi-disk.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 3580e7ee61..e8a547dbb7 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1582,6 +1582,7 @@ invalid_field: scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); } +/* sector_num and nb_sectors expected to be in qdev blocksize */ static inline bool check_lba_range(SCSIDiskState *s, uint64_t sector_num, uint32_t nb_sectors) { @@ -1614,11 +1615,12 @@ static void scsi_unmap_complete_noio(UnmapCBData *data, int ret) assert(r->req.aiocb == NULL); if (data->count > 0) { - r->sector = ldq_be_p(&data->inbuf[0]) - * (s->qdev.blocksize / BDRV_SECTOR_SIZE); - r->sector_count = (ldl_be_p(&data->inbuf[8]) & 0xffffffffULL) - * (s->qdev.blocksize / BDRV_SECTOR_SIZE); - if (!check_lba_range(s, r->sector, r->sector_count)) { + uint64_t sector_num = ldq_be_p(&data->inbuf[0]); + uint32_t nb_sectors = ldl_be_p(&data->inbuf[8]) & 0xffffffffULL; + r->sector = sector_num * (s->qdev.blocksize / BDRV_SECTOR_SIZE); + r->sector_count = nb_sectors * (s->qdev.blocksize / BDRV_SECTOR_SIZE); + + if (!check_lba_range(s, sector_num, nb_sectors)) { block_acct_invalid(blk_get_stats(s->qdev.conf.blk), BLOCK_ACCT_UNMAP); scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE)); |