sway

commit 9abac85888da4b57a2cc708017318fee100e8b16
parent d0b9701820bd92e008e73693d5e61d672372e7e1
Author: emersion <contact@emersion.fr>
Date:   Thu, 10 Jan 2019 09:20:07 +0100

Merge pull request #3399 from RedSoxFan/fix-output-destruction-segfaults

Fix segfaults on output destruction
Diffstat:
M
sway/input/cursor.c
 | 
4
++++
M
sway/tree/output.c
 | 
2
+-

2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
@@ -85,6 +85,10 @@ static struct sway_node *node_at_coords(
 		return NULL;
 	}
 	struct sway_output *output = wlr_output->data;
+	if (!output) {
+		// output is being destroyed
+		return NULL;
+	}
 	double ox = lx, oy = ly;
 	wlr_output_layout_output_coords(root->output_layout, wlr_output, &ox, &oy);
 
diff --git a/sway/tree/output.c b/sway/tree/output.c
@@ -58,6 +58,7 @@ struct sway_output *output_create(struct wlr_output *wlr_output) {
 	wlr_output->data = output;
 
 	wl_signal_add(&wlr_output->events.destroy, &output->destroy);
+	wl_signal_init(&output->events.destroy);
 
 	wl_list_insert(&root->all_outputs, &output->link);
 
@@ -76,7 +77,6 @@ void output_enable(struct sway_output *output, struct output_config *oc) {
 	for (size_t i = 0; i < len; ++i) {
 		wl_list_init(&output->layers[i]);
 	}
-	wl_signal_init(&output->events.destroy);
 
 	output->enabled = true;
 	list_add(root->outputs, output);