Re: [PATCH] net: ipv6: mcast: Removing invalid check

[Nicolas Kaiser]

* Maxin B John <maxin.john@xxxxxxxxx>:
> Since the variable 'first' is assigned to 1, the check
> "if (truncate && !first)" will always be false.
> 
> Thanks to Coverity for spotting this issue.
> 
> Signed-off-by: Maxin B. John <maxin.john@xxxxxxxxx>
> ---

I don't see that. We are within a 'for' loop, and some lines
below you will find an assignment of 'first = 0;'.

Best regards,
Nicolas Kaiser

> diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
> index 76b8937..441c1a4 100644
> --- a/net/ipv6/mcast.c
> +++ b/net/ipv6/mcast.c
> @@ -1536,8 +1536,6 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
>  
>  		if (AVAILABLE(skb) < sizeof(*psrc) +
>  		    first*sizeof(struct mld2_grec)) {
> -			if (truncate && !first)
> -				break;	 /* truncate these */
>  			if (pgr)
>  				pgr->grec_nsrcs = htons(scount);
>  			if (skb)
--
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