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From: Ali Alnubani <alialnu@nvidia.com>
To: Kevin Traynor <ktraynor@redhat.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "ferruh.yigit@intel.com" <ferruh.yigit@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] test/prefetch: fix build with GCC 11
Date: Thu, 20 May 2021 11:14:01 +0000	[thread overview]
Message-ID: <DM4PR12MB5167ADC4938792CFB942B432DA2A9@DM4PR12MB5167.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20210520110613.387358-1-ktraynor@redhat.com>

> -----Original Message-----
> From: Kevin Traynor <ktraynor@redhat.com>
> Sent: Thursday, May 20, 2021 2:06 PM
> To: dev@dpdk.org
> Cc: ferruh.yigit@intel.com; Kevin Traynor <ktraynor@redhat.com>;
> stable@dpdk.org; Ali Alnubani <alialnu@nvidia.com>
> Subject: [PATCH] test/prefetch: fix build with GCC 11
> 
> GCC 11 complains that 'a' is uninitialized.
> 
> ../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
> ../dpdk/app/test/test_prefetch.c:25:9:
> error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
>    25 |         rte_prefetch0(&a);
>       |         ^~~~~~~~~~~~~~~~~
> 
> Fix by initializing 'a'.
> 
> Bugzilla ID: 714
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
> 
> Reported-by: Ali Alnubani <alialnu@nvidia.com>
> Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
> ---
>  app/test/test_prefetch.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/app/test/test_prefetch.c b/app/test/test_prefetch.c index
> 5489885b51..7b4a8e4144 100644
> --- a/app/test/test_prefetch.c
> +++ b/app/test/test_prefetch.c
> @@ -21,5 +21,5 @@ static int
>  test_prefetch(void)
>  {
> -	int a;
> +	int a = 0;
> 
>  	rte_prefetch0(&a);
> --
> 2.31.1

Was about to send a fix 😊.
Thank you Kevin.

Build is now passing.
Tested-by: Ali Alnubani <alialnu@nvidia.com>

- Ali

  reply	other threads:[~2021-05-20 11:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20 11:06 Kevin Traynor
2021-05-20 11:14 ` Ali Alnubani [this message]
2021-05-20 14:31 ` [dpdk-dev] [dpdk-stable] " David Marchand
2021-05-20 21:06   ` Thomas Monjalon

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