cleanup all resource allocated by virtio_mmio_probe.
Signed-off-by: weiping zhang <[email protected]>
---
drivers/virtio/virtio_mmio.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index ec40104..a9192fe 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -610,7 +610,13 @@ static int virtio_mmio_probe(struct platform_device *pdev)
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;
--
2.9.4
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