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authorDavid S. Miller <davem@davemloft.net>2011-03-03 01:31:35 +0300
committerDavid S. Miller <davem@davemloft.net>2011-03-03 01:31:35 +0300
commitb23dd4fe42b455af5c6e20966b7d6959fa8352ea (patch)
treebf97323eae9a8d084170e573ff2c0c40bc72c3cd /net/ipv4/xfrm4_policy.c
parent452edd598f60522c11f7f88fdbab27eb36509d1a (diff)
downloadlinux-b23dd4fe42b455af5c6e20966b7d6959fa8352ea.tar.xz
ipv4: Make output route lookup return rtable directly.
Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/xfrm4_policy.c')
-rw-r--r--net/ipv4/xfrm4_policy.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 5f0f058dc376..45b821480427 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -26,18 +26,16 @@ static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos,
.fl4_dst = daddr->a4,
.fl4_tos = tos,
};
- struct dst_entry *dst;
struct rtable *rt;
- int err;
if (saddr)
fl.fl4_src = saddr->a4;
- err = __ip_route_output_key(net, &rt, &fl);
- dst = &rt->dst;
- if (err)
- dst = ERR_PTR(err);
- return dst;
+ rt = __ip_route_output_key(net, &fl);
+ if (!IS_ERR(rt))
+ return &rt->dst;
+
+ return ERR_CAST(rt);
}
static int xfrm4_get_saddr(struct net *net,