netdev - Re: [patch] fix error handle in ip_mc_add

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Date:	Mon, 21 Nov 2011 16:24:26 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jun Zhao <mypopydev@...il.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [patch] fix error handle in ip_mc_add_src()

Le lundi 21 novembre 2011 à 23:05 +0800, Jun Zhao a écrit :
> When add sources to interface failure, need to roll back the sfcount[MODE] 
> to before state. We need to match it corresponding. 
> 

Missing "---" separator

> diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
> index c7472ef..276719a 100644
> --- a/net/ipv4/igmp.c
> +++ b/net/ipv4/igmp.c
> @@ -1716,7 +1716,8 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
>  	if (err) {
>  		int j;
>  
> -		pmc->sfcount[sfmode]--;
> +		if(!delta)

Missing space, should be  : if (!delta)

> +			pmc->sfcount[sfmode]--;
>  		for (j=0; j<i; j++)
>  			(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
>  	} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
> 
> Signed-off-by: Jun Zhao <mypopydev@...il.com>
> 

Your "Signed-off-by:" should come before actual patch

Please read Documentation/SubmittingPatches

Thanks



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