wayland-server: Fix up error handling with client creation.
authorJohn Kåre Alsaker <john.kare.alsaker@gmail.com>
Tue, 16 Oct 2012 18:32:19 +0000 (20:32 +0200)
committerKristian Høgsberg <krh@bitplanet.net>
Wed, 17 Oct 2012 20:46:15 +0000 (16:46 -0400)
src/wayland-server.c

index 41560f2..acbab9a 100644 (file)
@@ -341,33 +341,41 @@ wl_client_create(struct wl_display *display, int fd)
                                              WL_EVENT_READABLE,
                                              wl_client_connection_data, client);
 
+       if (!client->source)
+               goto err_client;
+
        len = sizeof client->ucred;
        if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED,
-                      &client->ucred, &len) < 0) {
-               free(client);
-               return NULL;
-       }
+                      &client->ucred, &len) < 0)
+               goto err_source;
 
        client->connection = wl_connection_create(fd);
-       if (client->connection == NULL) {
-               free(client);
-               return NULL;
-       }
+       if (client->connection == NULL)
+               goto err_source;
 
        wl_map_init(&client->objects);
 
-       if (wl_map_insert_at(&client->objects, 0, NULL) < 0) {
-               wl_map_release(&client->objects);
-               free(client);
-               return NULL;
-       }
+       if (wl_map_insert_at(&client->objects, 0, NULL) < 0)
+               goto err_map;
 
        wl_signal_init(&client->destroy_signal);
        bind_display(client, display, 1, 1);
 
+       if (!client->display_resource)
+               goto err_map;
+
        wl_list_insert(display->client_list.prev, &client->link);
 
        return client;
+
+err_map:
+       wl_map_release(&client->objects);
+       wl_connection_destroy(client->connection);
+err_source:
+       wl_event_source_remove(client->source);
+err_client:
+       free(client);
+       return NULL;
 }
 
 WL_EXPORT void
@@ -1058,7 +1066,9 @@ bind_display(struct wl_client *client,
        client->display_resource =
                wl_client_add_object(client, &wl_display_interface,
                                     &display_interface, id, display);
-       client->display_resource->destroy = destroy_client_display_resource;
+
+       if(client->display_resource)
+               client->display_resource->destroy = destroy_client_display_resource;
 }
 
 WL_EXPORT struct wl_display *
@@ -1230,7 +1240,8 @@ socket_data(int fd, uint32_t mask, void *data)
        if (client_fd < 0)
                wl_log("failed to accept: %m\n");
        else
-               wl_client_create(display, client_fd);
+               if (!wl_client_create(display, client_fd))
+                       close(client_fd);
 
        return 1;
 }