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virtio_mmio: add cleanup for virtio_mmio_remove

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cleanup all resource allocated by virtio_mmio_probe.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
weiping zhang 2017-12-06 21:59:32 +08:00 committed by Michael S. Tsirkin
parent 7eb781b1bb
commit 25f32223bc
1 changed files with 6 additions and 0 deletions
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6
drivers/virtio/virtio_mmio.c
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@ -610,7 +610,13 @@ free_vmdev:
static int virtio_mmio_remove(struct platform_device *pdev)
{
struct virtio_mmio_device *vm_dev = platform_get_drvdata(pdev);
struct resource *mem;
iounmap(vm_dev->base);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (mem)
devm_release_mem_region(&pdev->dev, mem->start,
resource_size(mem));
unregister_virtio_device(&vm_dev->vdev);
return 0;