[U-Boot] [UBOOT PATCH] usb: gadget: f_thor: Allocate request up to THOR_PACKET_SIZE

[Michal Simek]

On 09/05/2014 12:09 PM, Siva Durga Prasad Paladugu wrote:
> 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>
> ---
>  drivers/usb/gadget/f_thor.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
> index c85b0fb..98d2d8c 100644
> --- a/drivers/usb/gadget/f_thor.c
> +++ b/drivers/usb/gadget/f_thor.c
> @@ -766,7 +766,7 @@ 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;
> 

Tested-by: Michal Simek <monstr at monstr.eu>

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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