diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index e5fb81376e92ff2e1feac6130f07e7af7d9ca003..f019b62f27b5cce542aaf6552a60c1b8965164c8 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -120,5 +120,5 @@ struct mfc_cache {
 struct rtmsg;
 int ipmr_get_route(struct net *net, struct sk_buff *skb,
 		   __be32 saddr, __be32 daddr,
-		   struct rtmsg *rtm, int nowait, u32 portid);
+		   struct rtmsg *rtm, u32 portid);
 #endif
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index b35dda57586bc59668172eac965caf9cd202b15a..824c4fdf21ebc7fe89e712cbb016a7eb2ac736db 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2136,7 +2136,7 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
 
 int ipmr_get_route(struct net *net, struct sk_buff *skb,
 		   __be32 saddr, __be32 daddr,
-		   struct rtmsg *rtm, int nowait, u32 portid)
+		   struct rtmsg *rtm, u32 portid)
 {
 	struct mfc_cache *cache;
 	struct mr_table *mrt;
@@ -2160,11 +2160,6 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
 		struct net_device *dev;
 		int vif = -1;
 
-		if (nowait) {
-			rcu_read_unlock();
-			return -EAGAIN;
-		}
-
 		dev = skb->dev;
 		read_lock(&mrt_lock);
 		if (dev)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 7b52ac20145baeafa4f20093e4bbfe0b120e6f39..0965f8c59e7e4757d2deb5072f43cd3eb344b48d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2541,7 +2541,7 @@ static int rt_fill_info(struct net *net,  __be32 dst, __be32 src, u32 table_id,
 		    IPV4_DEVCONF_ALL(net, MC_FORWARDING)) {
 			int err = ipmr_get_route(net, skb,
 						 fl4->saddr, fl4->daddr,
-						 r, 0, portid);
+						 r, portid);
 
 			if (err <= 0) {
 				if (err == 0)