diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 17f192b..9c48731 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1700,11 +1700,7 @@
 	}
 
 	case SIOCGSTAMP:
-		if (sk != NULL) {
-			res = sock_get_timestamp(sk, argp);
-			break;
-	 	}
-		res = -EINVAL;
+		res = sock_get_timestamp(sk, argp);
 		break;
 
 	case SIOCAX25ADDUID:	/* Add a uid to the uid/call map table */
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index f4578c7..02b1ab5 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1187,9 +1187,7 @@
 	}
 
 	case SIOCGSTAMP:
-		ret = -EINVAL;
-		if (sk != NULL)
-			ret = sock_get_timestamp(sk, argp);
+		ret = sock_get_timestamp(sk, argp);
 		release_sock(sk);
 		return ret;
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 3077878..977f99a 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1256,9 +1256,7 @@
 	}
 
 	case SIOCGSTAMP:
-		if (sk != NULL) 
-			return sock_get_timestamp(sk, (struct timeval __user *)argp);
-		return -EINVAL;
+		return sock_get_timestamp(sk, (struct timeval __user *)argp);
 
 	case SIOCGIFADDR:
 	case SIOCSIFADDR: