From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: "Yigit, Ferruh" <ferruh.yigit@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [dpdk-dev] [PATCH v2] ixgbe: disable icc compile warning
Date: Thu, 24 Mar 2016 17:47:21 +0000 [thread overview]
Message-ID: <2601191342CEEE43887BDE71AB97725836B20DA4@irsmsx105.ger.corp.intel.com> (raw)
In-Reply-To: <1458840891-30237-1-git-send-email-ferruh.yigit@intel.com>
> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Thursday, March 24, 2016 5:35 PM
> To: dev@dpdk.org
> Cc: Stephen Hemminger; Ananyev, Konstantin; Yigit, Ferruh
> Subject: [PATCH v2] ixgbe: disable icc compile warning
>
> icc (icc (ICC) 16.0.1 20151021) is generating following compile error:
> "
> CC ixgbe_rxtx.o
> .../drivers/net/ixgbe/ixgbe_rxtx.c(153): error #3656: variable
> "free" may be used before its value is set
> (nb_free > 0 && m->pool != free[0]->pool)) {
> ^
> "
>
> Indeed this is a false positive and code is correct.
> "nb_free" check prevents the free[] access before its value set.
>
> Disabling this icc warning (#3656) for file ixgbe_rxtx.c.
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> ---
> drivers/net/ixgbe/Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/ixgbe/Makefile b/drivers/net/ixgbe/Makefile
> index c032775..50bf51c 100644
> --- a/drivers/net/ixgbe/Makefile
> +++ b/drivers/net/ixgbe/Makefile
> @@ -49,6 +49,8 @@ ifeq ($(CC), icc)
> #
> CFLAGS_BASE_DRIVER = -wd174 -wd593 -wd869 -wd981 -wd2259
>
> +CFLAGS_ixgbe_rxtx.o += -wd3656
> +
> else ifeq ($(CC), clang)
> #
> # CFLAGS for clang
> --
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> 2.5.0
next prev parent reply other threads:[~2016-03-24 17:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-23 17:45 [dpdk-dev] [PATCH] ixgbe: fix icc compile error Ferruh Yigit
2016-03-23 19:35 ` Stephen Hemminger
2016-03-23 21:26 ` Ferruh Yigit
2016-03-24 17:34 ` [dpdk-dev] [PATCH v2] ixgbe: disable icc compile warning Ferruh Yigit
2016-03-24 17:47 ` Ananyev, Konstantin [this message]
2016-03-25 13:57 ` Bruce Richardson
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