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drm/vboxvideo: use managed pci functions

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Allows us to drop the cleanup code on the floor.

Sam noticed in his review:
> With this change we avoid calling pci_disable_device()
> twise in case vbox_mm_init() fails.
> Once in vbox_hw_fini() and once in the error path.

v2: Include Sam's review remarks

v3: Fix typo in commit summary (Thomas Zimmermann)

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-6-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2020-04-15 09:39:40 +02:00
parent dd9a68935f
commit 8558de401b
2 changed files with 3 additions and 10 deletions
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6
drivers/gpu/drm/vboxvideo/vbox_drv.c
View File

@ -55,13 +55,13 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_drvdata(pdev, vbox);
mutex_init(&vbox->hw_mutex);
ret = pci_enable_device(pdev);
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = vbox_hw_init(vbox);
if (ret)
goto err_pci_disable;
return ret;
ret = vbox_mm_init(vbox);
if (ret)
@ -91,8 +91,6 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
vbox_mm_fini(vbox);
err_hw_fini:
vbox_hw_fini(vbox);
err_pci_disable:
pci_disable_device(pdev);
return ret;
}

7
drivers/gpu/drm/vboxvideo/vbox_main.c
View File

@ -71,8 +71,6 @@ static void vbox_accel_fini(struct vbox_private *vbox)
for (i = 0; i < vbox->num_crtcs; ++i)
vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i);
pci_iounmap(vbox->ddev.pdev, vbox->vbva_buffers);
}
/* Do we support the 4.3 plus mode hint reporting interface? */
@ -125,7 +123,7 @@ int vbox_hw_init(struct vbox_private *vbox)
/* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
vbox->guest_pool = gen_pool_create(4, -1);
if (!vbox->guest_pool)
goto err_unmap_guest_heap;
return -ENOMEM;
ret = gen_pool_add_virt(vbox->guest_pool,
(unsigned long)vbox->guest_heap,
@ -168,8 +166,6 @@ int vbox_hw_init(struct vbox_private *vbox)
err_destroy_guest_pool:
gen_pool_destroy(vbox->guest_pool);
err_unmap_guest_heap:
pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
return ret;
}
@ -177,5 +173,4 @@ void vbox_hw_fini(struct vbox_private *vbox)
{
vbox_accel_fini(vbox);
gen_pool_destroy(vbox->guest_pool);
pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
}