Commit b7facb30 authored by Changpeng Liu's avatar Changpeng Liu Committed by Tomasz Zawadzki
Browse files

lib/vhost_scsi: don't start device before a valid I/O queue is enabled 



Change-Id: I407c62df2117069ad1d8f6aba18cf316a3cf47bf
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14980


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 9cdd1a8a

lib/vhost/vhost_scsi.c

+4 −0
Original line number Diff line number Diff line
@@ -1368,6 +1368,10 @@ vhost_scsi_start(struct spdk_vhost_dev *vdev, 
	svsession->svdev = svdev;



	/* validate all I/O queues are in a contiguous index range */

	if (vsession->max_queues < VIRTIO_SCSI_REQUESTQ + 1) {

		SPDK_INFOLOG(vhost, "%s: max_queues %u, no I/O queues\n", vsession->name, vsession->max_queues);

		return -1;

	}

	for (i = VIRTIO_SCSI_REQUESTQ; i < vsession->max_queues; i++) {

		if (vsession->virtqueue[i].vring.desc == NULL) {

			SPDK_ERRLOG("%s: queue %"PRIu32" is empty\n", vsession->name, i);