linux-kernel - Re: linux-next: build failure after merge of the akpm-current tree

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Date:	Wed, 15 Jun 2016 23:12:38 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the akpm-current tree

Hi Josh,

On wo, 2016-06-15 at 09:03 -0500, Josh Poimboeuf wrote:
> I agree it looks like a false positive, though the code is a bit
> convoluted, so I'm not surprised that gcc might get confused.

Agree.

> How about initializing opt to 0?

I'm unconvinced. Especially since this only shows up in 64 bits builds.

> --- a/net/netfilter/ipvs/ip_vs_sync.c
> +++ b/net/netfilter/ipvs/ip_vs_sync.c

>  static inline int ip_vs_proc_sync_conn(struct netns_ipvs *ipvs, __u8

> -	struct ip_vs_sync_conn_options opt;
> +	struct ip_vs_sync_conn_options opt = {0};

You forgot to append
                                                  /* I give up */

here. More common would be to use
                                                  /* silence GCC */
Thanks,


Paul Bolle