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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, sergio.gonzalez.monroy@intel.com
Subject: Re: [dpdk-dev] [PATCH] eal: fix compilation when optimization level is O1
Date: Thu, 06 Oct 2016 15:25:58 +0200	[thread overview]
Message-ID: <26353687.pnS7phqusY@xps13> (raw)
In-Reply-To: <1474288011-17096-1-git-send-email-olivier.matz@6wind.com>

2016-09-19 14:26, Olivier Matz:
> When compiled with EXTRA_CFLAGS="-O1", the compiler is not
> able to detect that size is always initialized when used, and
> issues a wrong warning:
> 
>   eal_memory.c: In function ‘rte_eal_hugepage_attach’:
>   eal_memory.c:1684:3: error: ‘size’ may be used uninitialized in this
>                        function [-Werror=maybe-uninitialized]
>      munmap(hp, size);
>      ^
> 
> Workaround this issue by initializing size to 0.
> Seen on gcc (Debian 5.4.1-1) 5.4.1 20160803.
> 
> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

Applied, thanks

      reply	other threads:[~2016-10-06 13:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-19 12:26 Olivier Matz
2016-10-06 13:25 ` Thomas Monjalon [this message]

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