netdev - [PATCH] xfrm: fix ptr

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Message-ID: <20180726070952.GA135949@lkp-ib03>
Date:   Thu, 26 Jul 2018 15:09:52 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Benedict Wong <benedictwong@...gle.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH] xfrm: fix ptr_ret.cocci warnings

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

net/xfrm/xfrm_interface.c:692:1-3: 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: 44e2b838c24d ("xfrm: Return detailed errors from xfrmi_newlink")
CC: Benedict Wong <benedictwong@...gle.com>
Signed-off-by: kbuild test robot <fengguang.wu@...el.com>
---

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

--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -689,10 +689,7 @@ static int xfrmi_newlink(struct net *src
 	nla_strlcpy(p->name, tb[IFLA_IFNAME], IFNAMSIZ);
 
 	xi = xfrmi_locate(net, p, 1);
-	if (IS_ERR(xi))
-		return PTR_ERR(xi);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(xi);
 }
 
 static void xfrmi_dellink(struct net_device *dev, struct list_head *head)