netdev - [PATCH] netfilter: nft_numgen: fix ptr

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Message-ID: <20180523105859.GA74092@ivb42>
Date:   Wed, 23 May 2018 18:58:59 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Laura Garcia Liebana <nevola@...il.com>
Cc:     kbuild-all@...org, Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] netfilter: nft_numgen: fix ptr_ret.cocci warnings

From: kbuild test robot <fengguang.wu@...el.com>

net/netfilter/nft_numgen.c:117:1-3: WARNING: PTR_ERR_OR_ZERO can be used


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

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: d734a2888922 ("netfilter: nft_numgen: add map lookups for numgen statements")
CC: Laura Garcia Liebana <nevola@...il.com>
Signed-off-by: kbuild test robot <fengguang.wu@...el.com>
---

 nft_numgen.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/net/netfilter/nft_numgen.c
+++ b/net/netfilter/nft_numgen.c
@@ -114,10 +114,7 @@ static int nft_ng_inc_map_init(const str
 					  tb[NFTA_NG_SET_NAME],
 					  tb[NFTA_NG_SET_ID], genmask);
 
-	if (IS_ERR(priv->map))
-		return PTR_ERR(priv->map);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(priv->map);
 }
 
 static int nft_ng_dump(struct sk_buff *skb, enum nft_registers dreg,