[lustre-devel] [PATCH v2] staging/lustre/lnet: changes value to correct type for assignment
Lidza Louina
lidza.louina at oracle.com
Thu Jun 23 12:27:45 PDT 2016
----- Original Message -----
From: oleg.drokin at intel.com
To: lidza.louina at oracle.com
Cc: gregkh at linuxfoundation.org, lustre-devel at lists.lustre.org, devel at driverdev.osuosl.org, andreas.dilger at intel.com
Sent: Thursday, June 23, 2016 12:14:28 PM GMT -08:00 US/Canada Pacific
Subject: Re: [lustre-devel] [PATCH v2] staging/lustre/lnet: changes value to correct type for assignment
On Jun 23, 2016, at 2:56 PM, Lidza Louina wrote:
> The code attempted to add an unsigned int to a an unsigned 64-bit
> integer. This patch makes the code use the correct type of int to
> suppress a smatch warning.
I think you might want to update the commit message too, because
it does not really make much sense now.
How about
"The patch changes a value's type so it can be assigned correctly.
This problem was caught by smatch."
>
> Signed-off-by: Lidza Louina <lidza.louina at oracle.com>
> ---
> drivers/staging/lustre/lnet/lnet/api-ni.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
> index 346db89..fc5b763 100644
> --- a/drivers/staging/lustre/lnet/lnet/api-ni.c
> +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
> @@ -513,7 +513,7 @@ lnet_res_lh_initialize(struct lnet_res_container *rec, lnet_libhandle_t *lh)
> unsigned int hash;
>
> lh->lh_cookie = rec->rec_lh_cookie;
> - rec->rec_lh_cookie += 1 << ibits;
> + rec->rec_lh_cookie += (1ULL << ibits);
>
> hash = (lh->lh_cookie >> ibits) & LNET_LH_HASH_MASK;
>
> --
> 1.9.1
>
>
>
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