This is two patches both fixing bugs in drivers (virtio-scsi and
mpt2sas) causing an oops in certain circumstances.
The patch is available here:
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes
The short changelog is:
Fam Zheng (1):
virtio-scsi: Skip setting affinity on uninitialized vq
Tyler Stachecki (1):
mpt2sas: Don't disable device twice at suspend.
And diffstat:
drivers/scsi/mpt2sas/mpt2sas_scsih.c | 1 -
drivers/scsi/virtio_scsi.c | 6 +++++-
2 files changed, 5 insertions(+), 2 deletions(-)
With full diff below.
James
---
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 7f0af4f..6fd7d40 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 16bfd50..db3b494 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;
}
--
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