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compositor: Don't try and destroy old pointer surface if it empty

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If attach was called on wl_input_device with a nil buffer twice then the
second call would cause a segfault.
This commit is contained in:
Rob Bradford 2012-01-05 15:30:00 +00:00 • committed by Kristian Høgsberg
parent b07876d23a
commit 0b17b8ec01
1 changed files with 4 additions and 2 deletions
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6
src/compositor.c
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@ -1609,8 +1609,10 @@ input_device_attach(struct wl_client *client,
weston_surface_damage_below(device->sprite);
if (!buffer_resource) {
destroy_surface(&device->sprite->surface.resource);
device->sprite = NULL;
if (device->sprite) {
destroy_surface(&device->sprite->surface.resource);
device->sprite = NULL;
}
return;
}