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SubjectRe: [PATCH] virtio-mmio: Delete an error message in vm_find_vqs()
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On 2020/4/6 上午1:19, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 5 Apr 2020 19:14:10 +0200
>
> The function “platform_get_irq” can log an error already.
> Thus omit a redundant message for the exception handling in the
> calling function.


It looks to me that not all error path of platform_get_irq() were loggd.

And git grep told me there're other users of platform_get_irq() that
check and log by themselves.

Thanks


>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
> drivers/virtio/virtio_mmio.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
> index 97d5725fd9a2..9d16aaffca9d 100644
> --- a/drivers/virtio/virtio_mmio.c
> +++ b/drivers/virtio/virtio_mmio.c
> @@ -466,10 +466,8 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs,
> int irq = platform_get_irq(vm_dev->pdev, 0);
> int i, err, queue_idx = 0;
>
> - if (irq < 0) {
> - dev_err(&vdev->dev, "Cannot get IRQ resource\n");
> + if (irq < 0)
> return irq;
> - }
>
> err = request_irq(irq, vm_interrupt, IRQF_SHARED,
> dev_name(&vdev->dev), vm_dev);
> --
> 2.26.0
>

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