ipmr_get_route has 1 caller and the nowait arg is 0. Remove the arg and
simplify ipmr_get_route accordingly.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 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
 
 
 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;
                struct net_device *dev;
                int vif = -1;
 
-               if (nowait) {
-                       rcu_read_unlock();
-                       return -EAGAIN;
-               }
-
                dev = skb->dev;
                read_lock(&mrt_lock);
                if (dev)
 
                    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)