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From:   Kuniyuki Iwashima <kuniyu@amazon.com>
To:     <sfr@canb.auug.org.au>
CC:     <davem@davemloft.net>, <edumazet@google.com>,
        <linux-kernel@vger.kernel.org>, <linux-next@vger.kernel.org>,
        <netdev@vger.kernel.org>, <kuniyu@amazon.com>
Subject: Re: linux-next: build failure after merge of the net-next tree
Date:   Sun, 19 Jun 2022 16:48:12 -0700
Message-ID: <20220619234812.57765-1-kuniyu@amazon.com>
In-Reply-To: <20220620093424.0615a374@canb.auug.org.au>
References: <20220620093424.0615a374@canb.auug.org.au>
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Date:   Mon, 20 Jun 2022 09:34:24 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
> Hi all,
> 
> After merging the net-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> net/ipv4/raw.c: In function 'raw_icmp_error':
> net/ipv4/raw.c:266:9: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
>   266 |         struct hlist_nulls_head *hlist;
>       |         ^~~~~~
> cc1: all warnings being treated as errors
> 
> Introduced by commit
> 
>   ba44f8182ec2 ("raw: use more conventional iterators")
> 
> I have applied the following patch for today.

I have posted the same patch just few minutes ago,
https://lore.kernel.org/netdev/20220619232927.54259-2-kuniyu@amazon.com/


> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Mon, 20 Jun 2022 09:21:01 +1000
> Subject: [PATCH] raw: fix build error
> 
> The linux-next x86_64 allmodconfig build produced this error:
> 
> net/ipv4/raw.c: In function 'raw_icmp_error':
> net/ipv4/raw.c:266:9: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
>   266 |         struct hlist_nulls_head *hlist;
>       |         ^~~~~~
> cc1: all warnings being treated as errors
> 
> Fixes: ba44f8182ec2 ("raw: use more conventional iterators")
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
>  net/ipv4/raw.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
> index d28bf0b901a2..b3b255db9021 100644
> --- a/net/ipv4/raw.c
> +++ b/net/ipv4/raw.c
> @@ -262,7 +262,7 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info)
>  
>  void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
>  {
> -	struct net *net = dev_net(skb->dev);;
> +	struct net *net = dev_net(skb->dev);
>  	struct hlist_nulls_head *hlist;
>  	struct hlist_nulls_node *hnode;
>  	int dif = skb->dev->ifindex;
> -- 
> 2.35.1
> 
> -- 
> Cheers,
> Stephen Rothwell