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wayland-client: Handle potential NULL-deref

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Instead, return -1 on out-of-memory.  errno will be set to ENOMEM by
the failing malloc.
This commit is contained in:
Kristian Høgsberg 2013-07-13 00:42:14 -04:00
parent 8bd93c5c9d
commit e0579bfb61
1 changed files with 2 additions and 0 deletions
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2
src/wayland-client.c
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@ -662,6 +662,8 @@ wl_display_roundtrip(struct wl_display *display)
done = 0; done = 0;
callback = wl_display_sync(display); callback = wl_display_sync(display);
if (callback == NULL)
return -1;
wl_callback_add_listener(callback, &sync_listener, &done); wl_callback_add_listener(callback, &sync_listener, &done);
while (!done && ret >= 0) while (!done && ret >= 0)
ret = wl_display_dispatch(display); ret = wl_display_dispatch(display);