Re: [PATCH 9/9] usb: gadget: f_hid: use alloc_ep_req()

From: Michal Nazarewicz
Date: Wed Jul 27 2016 - 16:34:27 EST


On Tue, Jul 26 2016, Felipe F. Tonello wrote:
> Use gadget's framework allocation function instead of directly calling
> usb_ep_alloc_request().
>
> Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>

Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

> ---
> drivers/usb/gadget/function/f_hid.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
> index a010496e4e05..89d2e9a5a04f 100644
> --- a/drivers/usb/gadget/function/f_hid.c
> +++ b/drivers/usb/gadget/function/f_hid.c
> @@ -611,14 +611,10 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
>
> /* preallocate request and buffer */
> status = -ENOMEM;
> - hidg->req = usb_ep_alloc_request(hidg->in_ep, GFP_KERNEL);
> + hidg->req = alloc_ep_req(hidg->in_ep, hidg->report_length);
> if (!hidg->req)
> goto fail;
>
> - hidg->req->buf = kmalloc(hidg->report_length, GFP_KERNEL);
> - if (!hidg->req->buf)
> - goto fail;
> -
> /* set descriptor dynamic values */
> hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
> hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
> --
> 2.9.0
>

--
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