xfrm: fix ptr_ret.cocci warnings

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: 44e2b838c2 ("xfrm: Return detailed errors from xfrmi_newlink")
CC: Benedict Wong <benedictwong@google.com>
Signed-off-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
kbuild test robot 2018-07-26 15:09:52 +08:00 committed by Steffen Klassert
parent 44e2b838c2
commit c6f5e017df

View file

@ -689,10 +689,7 @@ static int xfrmi_newlink(struct net *src_net, struct net_device *dev,
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)