selftests: net: reuseport_addr_any: silence clang warning

Clang does not recognize that calls to error() terminate execution
and complains about uninitialized variable use that happens after calls
to error(). This noop patchset fixes this.
Signed-off-by: Peter Oskolkov <posk@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/net/reuseport_addr_any.c

@@ -60,6 +60,11 @@ static void build_rcv_fd(int family, int proto, int *rcv_fds, int count,
 		break;
 	default:
 		error(1, 0, "Unsupported family %d", family);
+		/* clang does not recognize error() above as terminating
+		 * the program, so it complains that saddr, sz are
+		 * not initialized when this code path is taken. Silence it.
+		 */
+		return;
 	}
 
 	for (i = 0; i < count; ++i) {
@@ -128,6 +133,11 @@ static int connect_and_send(int family, int proto)
 	break;
 	default:
 		error(1, 0, "Unsupported family %d", family);
+		/* clang does not recognize error() above as terminating
+		 * the program, so it complains that saddr, daddr, sz are
+		 * not initialized when this code path is taken. Silence it.
+		 */
+		return -1;
 	}
 
 	fd = socket(family, proto, 0);