Re: [PATCH] netfilter: xt_hashlimit: Add missing ULL suffixes for 64-bit constants

From: Vishwanath Pai
Date: Thu Oct 06 2016 - 12:40:39 EST


On 10/06/2016 09:40 AM, Geert Uytterhoeven wrote:
> diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
> index 2fab0c65aa94b666..b89b688e9d01a2d1 100644
> --- a/net/netfilter/xt_hashlimit.c
> +++ b/net/netfilter/xt_hashlimit.c
> @@ -431,7 +431,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo)
> CREDITS_PER_JIFFY*HZ*60*60*24 < 2^32 ie.
> */
> #define MAX_CPJ_v1 (0xFFFFFFFF / (HZ*60*60*24))
> -#define MAX_CPJ (0xFFFFFFFFFFFFFFFF / (HZ*60*60*24))
> +#define MAX_CPJ (0xFFFFFFFFFFFFFFFFULL / (HZ*60*60*24))
>
> /* Repeated shift and or gives us all 1s, final shift and add 1 gives
> * us the power of 2 below the theoretical max, so GCC simply does a
> @@ -473,7 +473,7 @@ static u64 user2credits(u64 user, int revision)
> return div64_u64(user * HZ * CREDITS_PER_JIFFY_v1,
> XT_HASHLIMIT_SCALE);
> } else {
> - if (user > 0xFFFFFFFFFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
> + if (user > 0xFFFFFFFFFFFFFFFFULL / (HZ*CREDITS_PER_JIFFY))
> return div64_u64(user, XT_HASHLIMIT_SCALE_v2)
> * HZ * CREDITS_PER_JIFFY;
>
> -- 1.9.1

Thanks for fixing this.

Acked-by: Vishwanath Pai <vpai@xxxxxxxxxx>