Re: [PATCH] virtio-mmio: add error check for platform_get_irq

in vm_find_vqs() irq has a wrong type
so, in case of no IRQ resource defined,
wrong parameter will be passed to request_irq()

Signed-off-by: Ihor Matushchak <redacted>
---
 drivers/virtio/virtio_mmio.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index f363fbeb5ab0..60dde8ed163b 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c

@@ -463,9 +463,14 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs,
                       struct irq_affinity *desc)
 {
        struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev);
-       unsigned int irq = platform_get_irq(vm_dev->pdev, 0);
+       int irq = platform_get_irq(vm_dev->pdev, 0);
        int i, err, queue_idx = 0;
 
+       if (irq < 0) {
+               dev_err(&vdev->dev, "no IRQ resource defined\n");
+               return -ENODEV;