When a sense code is present we should not override the SAM status; the
driver already sets it based on the response from the hypervisor.
In addition we should only copy the sense buffer if one is actually
provided by the hypervisor.
Link: https://lore.kernel.org/r/20210622091153.29231-1-hare@suse.de
Fixes:
464a00c9e0ad ("scsi: core: Kill DRIVER_SENSE")
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
WARN_ON(virtio32_to_cpu(vscsi->vdev, resp->sense_len) >
VIRTIO_SCSI_SENSE_SIZE);
- if (sc->sense_buffer) {
+ if (resp->sense_len) {
memcpy(sc->sense_buffer, resp->sense,
min_t(u32,
virtio32_to_cpu(vscsi->vdev, resp->sense_len),
VIRTIO_SCSI_SENSE_SIZE));
- set_status_byte(sc, SAM_STAT_CHECK_CONDITION);
}
sc->scsi_done(sc);