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Fix layer surface crash on output destroy

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Before freeing sway_output, NULL the wlr_output reference to it. Check for that
NULL in layer_shell handle_destroy. Don't damage null container in unmap.
Additionaly, terminate swaybg if its output is being disabled.
This commit is contained in:
db 2018-05-01 17:38:55 +02:00
parent 0e51c7be44
commit 22170bde77
3 changed files with 14 additions and 2 deletions
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4
sway/config/output.c
View file

@ -128,6 +128,10 @@ void apply_output_config(struct output_config *oc, struct sway_container *output
struct wlr_output *wlr_output = output->sway_output->wlr_output;
if (oc && oc->enabled == 0) {
if (output->sway_output->bg_pid != 0) {
terminate_swaybg(output->sway_output->bg_pid);
output->sway_output->bg_pid = 0;
}
container_destroy(output);
wlr_output_layout_remove(root_container.sway_root->output_layout,
wlr_output);

9
sway/desktop/layer_shell.c
View file

@ -255,6 +255,9 @@ static void unmap(struct sway_layer_surface *sway_layer) {
return;
}
struct sway_output *output = wlr_output->data;
if (output == NULL) {
return;
}
output_damage_surface(output, sway_layer->geo.x, sway_layer->geo.y,
sway_layer->layer_surface->surface, true);
}
@ -274,9 +277,11 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
wl_list_remove(&sway_layer->surface_commit.link);
if (sway_layer->layer_surface->output != NULL) {
struct sway_output *output = sway_layer->layer_surface->output->data;
arrange_layers(output);
if (output != NULL) {
arrange_layers(output);
}
wl_list_remove(&sway_layer->output_destroy.link);
sway_layer->layer_surface->output = NULL;
}
free(sway_layer);
}

3
sway/tree/container.c
View file

@ -156,6 +156,9 @@ static struct sway_container *container_output_destroy(
wl_list_remove(&output->sway_output->damage_destroy.link);
wl_list_remove(&output->sway_output->damage_frame.link);
// clear the wlr_output reference to this container
output->sway_output->wlr_output->data = NULL;
wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);
_container_destroy(output);
return &root_container;