diff options
Diffstat (limited to 'hw/scsi/scsi-generic.c')
| -rw-r--r-- | hw/scsi/scsi-generic.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index f07891b3f6..c11a0c9a84 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -254,24 +254,28 @@ static void scsi_read_complete(void * opaque, int ret) r->len = -1; - /* - * Check if this is a VPD Block Limits request that - * resulted in sense error but would need emulation. - * In this case, emulate a valid VPD response. - */ - if (s->needs_vpd_bl_emulation && ret == 0 && - (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) && - r->req.cmd.buf[0] == INQUIRY && - (r->req.cmd.buf[1] & 0x01) && - r->req.cmd.buf[2] == 0xb0) { + if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) { SCSISense sense = scsi_parse_sense_buf(r->req.sense, r->io_header.sb_len_wr); - if (sense.key == ILLEGAL_REQUEST) { + + /* + * Check if this is a VPD Block Limits request that + * resulted in sense error but would need emulation. + * In this case, emulate a valid VPD response. + */ + if (sense.key == ILLEGAL_REQUEST && + s->needs_vpd_bl_emulation && + r->req.cmd.buf[0] == INQUIRY && + (r->req.cmd.buf[1] & 0x01) && + r->req.cmd.buf[2] == 0xb0) { len = scsi_generic_emulate_block_limits(r, s); /* - * No need to let scsi_read_complete go on and handle an + * It's okay to jup to req_complete: no need to + * let scsi_handle_inquiry_reply handle an * INQUIRY VPD BL request we created manually. */ + } + if (sense.key) { goto req_complete; } } |