virtio scsi: fix unused variable warning

drivers/scsi/virtio_scsi.c: In function 'virtscsi_probe':
drivers/scsi/virtio_scsi.c:952:11: warning: unused variable 'host_prot' [-Wunused-variable]
  int err, host_prot;
           ^

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index f164f24..55441c7 100644 (file)
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -944,7 +944,7 @@ static int virtscsi_probe(struct virtio_device *vdev)
 {
        struct Scsi_Host *shost;
        struct virtio_scsi *vscsi;
-       int err, host_prot;
+       int err;
        u32 sg_elems, num_targets;
        u32 cmd_per_lun;
        u32 num_queues;
@@ -1003,6 +1003,8 @@ static int virtscsi_probe(struct virtio_device *vdev)
        shost->nr_hw_queues = num_queues;
 
        if (virtio_has_feature(vdev, VIRTIO_SCSI_F_T10_PI)) {
+               int host_prot;
+
                host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION |
                            SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION |
                            SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION;