ipv4: Make output route lookup return rtable directly.
Instead of on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pptp.c b/drivers/net/pptp.c
index 164cfad..1af549c 100644
--- a/drivers/net/pptp.c
+++ b/drivers/net/pptp.c
@@ -175,7 +175,6 @@
struct pptp_opt *opt = &po->proto.pptp;
struct pptp_gre_header *hdr;
unsigned int header_len = sizeof(*hdr);
- int err = 0;
int islcp;
int len;
unsigned char *data;
@@ -198,8 +197,8 @@
.saddr = opt->src_addr.sin_addr.s_addr,
.tos = RT_TOS(0) } },
.proto = IPPROTO_GRE };
- err = ip_route_output_key(&init_net, &rt, &fl);
- if (err)
+ rt = ip_route_output_key(&init_net, &fl);
+ if (IS_ERR(rt))
goto tx_error;
}
tdev = rt->dst.dev;
@@ -477,7 +476,8 @@
.tos = RT_CONN_FLAGS(sk) } },
.proto = IPPROTO_GRE };
security_sk_classify_flow(sk, &fl);
- if (ip_route_output_key(&init_net, &rt, &fl)) {
+ rt = ip_route_output_key(&init_net, &fl);
+ if (IS_ERR(rt)) {
error = -EHOSTUNREACH;
goto end;
}