diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/virtio_console.c | 18 | ||||
| -rw-r--r-- | drivers/vdpa/octeon_ep/octep_vdpa_hw.c | 12 | ||||
| -rw-r--r-- | drivers/vhost/scsi.c | 27 | ||||
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 2 |
4 files changed, 32 insertions, 27 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 99a7f2441e70..c62b208b42f1 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2006,25 +2006,27 @@ static int virtcons_probe(struct virtio_device *vdev) multiport = true; } - err = init_vqs(portdev); - if (err < 0) { - dev_err(&vdev->dev, "Error %d initializing vqs\n", err); - goto free_chrdev; - } - spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); INIT_LIST_HEAD(&portdev->list); - virtio_device_ready(portdev->vdev); - INIT_WORK(&portdev->config_work, &config_work_handler); INIT_WORK(&portdev->control_work, &control_work_handler); if (multiport) { spin_lock_init(&portdev->c_ivq_lock); spin_lock_init(&portdev->c_ovq_lock); + } + err = init_vqs(portdev); + if (err < 0) { + dev_err(&vdev->dev, "Error %d initializing vqs\n", err); + goto free_chrdev; + } + + virtio_device_ready(portdev->vdev); + + if (multiport) { err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock); if (err < 0) { dev_err(&vdev->dev, diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c index 11bd76ae18cf..1d4767b33315 100644 --- a/drivers/vdpa/octeon_ep/octep_vdpa_hw.c +++ b/drivers/vdpa/octeon_ep/octep_vdpa_hw.c @@ -475,11 +475,11 @@ int octep_hw_caps_read(struct octep_hw *oct_hw, struct pci_dev *pdev) dev_err(dev, "Incomplete PCI capabilities"); return -EIO; } - dev_info(dev, "common cfg mapped at: 0x%016llx\n", (u64)(uintptr_t)oct_hw->common_cfg); - dev_info(dev, "device cfg mapped at: 0x%016llx\n", (u64)(uintptr_t)oct_hw->dev_cfg); - dev_info(dev, "isr cfg mapped at: 0x%016llx\n", (u64)(uintptr_t)oct_hw->isr); - dev_info(dev, "notify base: 0x%016llx, notify off multiplier: %u\n", - (u64)(uintptr_t)oct_hw->notify_base, oct_hw->notify_off_multiplier); + dev_info(dev, "common cfg mapped at: %p\n", oct_hw->common_cfg); + dev_info(dev, "device cfg mapped at: %p\n", oct_hw->dev_cfg); + dev_info(dev, "isr cfg mapped at: %p\n", oct_hw->isr); + dev_info(dev, "notify base: %p, notify off multiplier: %u\n", + oct_hw->notify_base, oct_hw->notify_off_multiplier); oct_hw->config_size = octep_get_config_size(oct_hw); oct_hw->features = octep_hw_get_dev_features(oct_hw); @@ -511,7 +511,7 @@ int octep_hw_caps_read(struct octep_hw *oct_hw, struct pci_dev *pdev) } mbox = octep_get_mbox(oct_hw); octep_mbox_init(mbox); - dev_info(dev, "mbox mapped at: 0x%016llx\n", (u64)(uintptr_t)mbox); + dev_info(dev, "mbox mapped at: %p\n", mbox); return 0; } diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 7db9bbdfb038..718fa4e0b31e 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1029,20 +1029,23 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc, /* virtio-scsi spec requires byte 0 of the lun to be 1 */ vq_err(vq, "Illegal virtio-scsi lun: %u\n", *vc->lunp); } else { - struct vhost_scsi_tpg **vs_tpg, *tpg; - - vs_tpg = vhost_vq_get_backend(vq); /* validated at handler entry */ - - tpg = READ_ONCE(vs_tpg[*vc->target]); - if (unlikely(!tpg)) { - vq_err(vq, "Target 0x%x does not exist\n", *vc->target); - } else { - if (tpgp) - *tpgp = tpg; - ret = 0; + struct vhost_scsi_tpg **vs_tpg, *tpg = NULL; + + if (vc->target) { + /* validated at handler entry */ + vs_tpg = vhost_vq_get_backend(vq); + tpg = READ_ONCE(vs_tpg[*vc->target]); + if (unlikely(!tpg)) { + vq_err(vq, "Target 0x%x does not exist\n", *vc->target); + goto out; + } } - } + if (tpgp) + *tpgp = tpg; + ret = 0; + } +out: return ret; } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index be7309b1e860..98374ed7c577 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2588,7 +2588,7 @@ irqreturn_t vring_interrupt(int irq, void *_vq) /* Just a hint for performance: so it's ok that this can be racy! */ if (vq->event) - vq->event_triggered = true; + data_race(vq->event_triggered = true); pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback); if (vq->vq.callback) |