cleanup all resource allocated by virtio_mmio_probe.
Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx>
---
drivers/virtio/virtio_mmio.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index f984510..5e2ca34 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -599,8 +599,15 @@ 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;
unregister_virtio_device(&vm_dev->vdev);
+ 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));
+ devm_kfree(&pdev->dev, vm_dev);
return 0;
}
--
2.9.4
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