On Mon, 2014-01-06 at 14:39 -0800, Greg Kroah-Hartman wrote:
> 3.4-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Nithin Sujir <nsujir@xxxxxxxxxxxx>
>
> commit 375679104ab3ccfd18dcbd7ba503734fb9a2c63a upstream.
>
> The current driver assumes that an skb fragment can only be upto jumbo
> size. Presumably this was a fast-path optimization. This assumption is
> no longer true as fragments can be upto 32k.
>
> v2: Remove unnecessary parantheses per Eric Dumazet.
>
> Signed-off-by: Nithin Nayak Sujir <nsujir@xxxxxxxxxxxx>
> Signed-off-by: Michael Chan <mchan@xxxxxxxxxxxx>
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> ---
> drivers/net/ethernet/broadcom/tg3.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/drivers/net/ethernet/broadcom/tg3.c
> +++ b/drivers/net/ethernet/broadcom/tg3.c
> @@ -6619,7 +6619,7 @@ static inline int tg3_4g_overflow_test(d
> {
> u32 base = (u32) mapping & 0xffffffff;
>
> - return (base > 0xffffdcc0) && (base + len + 8 < base);
> + return base + len + 8 < base;
> }
>
Minor comment :
32KB frags were added later, in 3.7.
This patch makes no harm, so no worries.
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