linux-kernel - [PATCH] netfilter: use PTR

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Date:	Mon, 29 Oct 2012 08:40:44 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Pablo Neira Ayuso <pablo@...filter.org>
Cc:	Patrick McHardy <kaber@...sh.net>, netfilter-devel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] netfilter: use PTR_RET

Use PTR_RET rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
---

 net/ipv4/netfilter/iptable_nat.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- linux-next.orig/net/ipv4/netfilter/iptable_nat.c	2012-10-23 09:44:52.577430992 +0800
+++ linux-next/net/ipv4/netfilter/iptable_nat.c	2012-10-29 08:38:43.063222201 +0800
@@ -274,9 +274,7 @@ static int __net_init iptable_nat_net_in
 		return -ENOMEM;
 	net->ipv4.nat_table = ipt_register_table(net, &nf_nat_ipv4_table, repl);
 	kfree(repl);
-	if (IS_ERR(net->ipv4.nat_table))
-		return PTR_ERR(net->ipv4.nat_table);
-	return 0;
+	return PTR_RET(net->ipv4.nat_table);
 }
 
 static void __net_exit iptable_nat_net_exit(struct net *net)
--
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