SUNRPC: Allow connect to return EHOSTUNREACH

Reported-by: Dmitry Vyukov <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Tested-by: Dmitry Vyukov <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

Author: trondmypd

net/sunrpc/xprtsock.c

@@ -2440,6 +2440,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 	case -ECONNREFUSED:
 	case -ECONNRESET:
 	case -ENETUNREACH:
+	case -EHOSTUNREACH:
 	case -EADDRINUSE:
 	case -ENOBUFS:
 		/*