[U-Boot] xilinx_emaclite buffer overrun

Michal Simek monstr at seznam.cz
Thu Oct 23 21:50:58 CEST 2008


Hi Clive,

yes. but I think that better will be

static uchar etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */

Regards,
Michal


> Hi
> 
> Looks like there is a buffer allocation error in the packet buffer for the 
> xilinx emaclite.
> 
> 
> diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
> index 88cd0f9..0e96ef1 100644
> --- a/drivers/net/xilinx_emaclite.c
> +++ b/drivers/net/xilinx_emaclite.c
> @@ -70,7 +70,7 @@ typedef struct {
> 
>   static xemaclite emaclite;
> 
> -static char etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
> +static u32 etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
> 
>   /* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/
>   #ifdef CONFIG_ENV_IS_NOWHERE
> 
> Cheers
> Clive
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