Re: [PATCH] HID: usbmouse: Avoid GFP_ATOMIC when GFP_KERNEL is possible

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On Mon, May 24, 2021 at 11:57:43PM +0900, Hyeonggon Yoo wrote:
> probe in usb don't need to be atomic. So GFP_KERNEL can be used here,
> instead of GFP_ATOMIC.
> 
> Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
> ---
>  drivers/hid/usbhid/usbmouse.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c
> index 073127e65ac1..c89332017d5d 100644
> --- a/drivers/hid/usbhid/usbmouse.c
> +++ b/drivers/hid/usbhid/usbmouse.c
> @@ -130,7 +130,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
>  	if (!mouse || !input_dev)
>  		goto fail1;
>  
> -	mouse->data = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &mouse->data_dma);
> +	mouse->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &mouse->data_dma);
>  	if (!mouse->data)
>  		goto fail1;
>  
> -- 
> 2.25.1
> 

Hello for me it was simple and obvious patch.
Is there something wrong about it?

Then please let me know about it!

Thanks,
Hyeonggon



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