linux-kernel - Re: [PATCH 1/1] net/netfilter/ipvs/ip_vs_sync.c: remove null test before kfree

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Message-ID: <20140623022056.GA12564@verge.net.au>
Date:	Mon, 23 Jun 2014 11:20:56 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel@...r.kernel.org, Wensong Zhang <wensong@...ux-vs.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] net/netfilter/ipvs/ip_vs_sync.c: remove null test
 before kfree

On Fri, Jun 20, 2014 at 10:35:42PM +0200, Fabian Frederick wrote:
> Fix checkpatch warning:
> WARNING: kfree(NULL) is safe this check is probably not required
> 
> Cc: Wensong Zhang <wensong@...ux-vs.org>
> Cc: Simon Horman <horms@...ge.net.au>
> Cc: netdev@...r.kernel.org
> Signed-off-by: Fabian Frederick <fabf@...net.be>

Thanks, applied.

> ---
>  net/netfilter/ipvs/ip_vs_sync.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
> index db80126..eadffb2 100644
> --- a/net/netfilter/ipvs/ip_vs_sync.c
> +++ b/net/netfilter/ipvs/ip_vs_sync.c
> @@ -886,8 +886,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
>  		cp = ip_vs_conn_new(param, daddr, dport, flags, dest, fwmark);
>  		rcu_read_unlock();
>  		if (!cp) {
> -			if (param->pe_data)
> -				kfree(param->pe_data);
> +			kfree(param->pe_data);
>  			IP_VS_DBG(2, "BACKUP, add new conn. failed\n");
>  			return;
>  		}
> -- 
> 1.8.4.5
> 
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