[PATCH] HID: hyperv: Cocci spatch "memdup.spatch"

[Jiri Kosina]

On Sat, 1 Jun 2013, Thomas Meyer wrote:

> Signed-off-by: Thomas Meyer <thomas at m3y3r.de>
> ---
> 
> diff -u -p a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
> --- a/drivers/hid/hid-hyperv.c
> +++ b/drivers/hid/hid-hyperv.c
> @@ -199,13 +199,11 @@ static void mousevsc_on_receive_device_i
>  	if (desc->bLength == 0)
>  		goto cleanup;
>  
> -	input_device->hid_desc = kzalloc(desc->bLength, GFP_ATOMIC);
> +	input_device->hid_desc = kmemdup(desc, desc->bLength, GFP_ATOMIC);
>  
>  	if (!input_device->hid_desc)
>  		goto cleanup;
>  
> -	memcpy(input_device->hid_desc, desc, desc->bLength);
> -
>  	input_device->report_desc_size = desc->desc[0].wDescriptorLength;
>  	if (input_device->report_desc_size == 0) {
>  		input_device->dev_info_status = -EINVAL;
> 

I guess you are going to get some pushback from some maintainers due to 
non-descriptive subject and missing changelog :)

I have fixed this for the hyperv patch and applied it, thanks.

-- 
Jiri Kosina
SUSE Labs