Re: [dpdk-dev] [PATCH] [PATCH v2] librte_hash: miss parentheses in hash function

[Bruce Richardson <bruce.richardson@intel.com>]

On Wed, Jul 08, 2015 at 11:15:47PM +0800, damu wrote:
> In the no-x86 branch, a parentheses is missing.
> And need to include <limits.h> header to use CHAR_BIT.
> 
> Signed-off-by: Bruce Liu <2103458176@qq.com>

Previously also reported here: http://dpdk.org/dev/patchwork/patch/6105/
Fixes line can be extracted for there, as can my ack, since it's an idential fix. :-)

> ---
>  lib/librte_hash/rte_jhash.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/librte_hash/rte_jhash.h b/lib/librte_hash/rte_jhash.h
> index e230449..f9a8266 100644
> --- a/lib/librte_hash/rte_jhash.h
> +++ b/lib/librte_hash/rte_jhash.h
> @@ -46,6 +46,7 @@ extern "C" {
>  
>  #include <stdint.h>
>  #include <string.h>
> +#include <limits.h>
>  
>  #include <rte_log.h>
>  #include <rte_byteorder.h>
> @@ -122,7 +123,7 @@ __rte_jhash_2hashes(const void *key, uint32_t length, uint32_t *pc,
>  	const uint32_t *k = key;
>  	const uint32_t s = 0;
>  #else
> -	const uint32_t *k = (uint32_t *)(uintptr_t)key & (uintptr_t)~3);
> +	const uint32_t *k = (uint32_t *)((uintptr_t)key & (uintptr_t)~3);
>  	const uint32_t s = ((uintptr_t)key & 3) * CHAR_BIT;
>  #endif
>  	if (!check_align || s == 0) {
> -- 
> 1.8.3.1