* remote-utils.c (remote_open): Check the type of specified

serial port devices before opening them.
	* server.c (main): Kill the inferior if an error occurs during
	the first remote_open.

gdb/gdbserver/server.c

@@ -614,6 +614,13 @@ main (int argc, char *argv[])
 	}
     }
 
+  if (setjmp (toplevel))
+    {
+      fprintf (stderr, "Killing inferior\n");
+      kill_inferior ();
+      exit (1);
+    }
+
   while (1)
     {
       remote_open (argv[1]);