Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is two patches both fixing bugs in drivers (virtio-scsi and
  mpt2sas) causing an oops in certain circumstances"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] virtio-scsi: Skip setting affinity on uninitialized vq
  [SCSI] mpt2sas: Don't disable device twice at suspend.

2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 7f0af4fcc001..6fd7d40b2c4d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -8293,7 +8293,6 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
 
         mpt2sas_base_free_resources(ioc);
         pci_save_state(pdev);
-        pci_disable_device(pdev);
         pci_set_power_state(pdev, device_state);
         return 0;
 }
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 16bfd50cd3fe..db3b494e5926 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -750,8 +750,12 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity)
 
                 vscsi->affinity_hint_set = true;
         } else {
-                for (i = 0; i < vscsi->num_queues; i++)
+                for (i = 0; i < vscsi->num_queues; i++) {
+                        if (!vscsi->req_vqs[i].vq)
+                                continue;
+
                         virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1);
+                }
 
                 vscsi->affinity_hint_set = false;
         }