[U-Boot] [RESEND PATCH] usb: gadget: f_thor: Allocate request up to THOR_PACKET_SIZE
Lukasz Majewski
l.majewski at samsung.com
Fri Apr 24 17:46:44 CEST 2015
Hi Michal,
> From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
>
> Allocate request up to THOR_PACKET_SIZE not the ep0->maxpacket
> as the descriptors data depend on the number of descriptors
> and this 64 bytes were not enough and the buffer might overflow
> which results in memalign failures later.
>
> Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
> drivers/usb/gadget/f_thor.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
> index 31eec36be876..5c8f6768519c 100644
> --- a/drivers/usb/gadget/f_thor.c
> +++ b/drivers/usb/gadget/f_thor.c
> @@ -775,7 +775,7 @@ static int thor_func_bind(struct
> usb_configuration *c, struct usb_function *f) goto fail;
> }
> dev->req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
> - gadget->ep0->maxpacket);
> + THOR_PACKET_SIZE);
> if (!dev->req->buf) {
> status = -ENOMEM;
> goto fail;
Applied to u-boot-dfu. Thanks!
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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