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authorRyan Dwyer <ryandwyer1@gmail.com>2018-06-26 19:40:42 +1000
committerRyan Dwyer <ryandwyer1@gmail.com>2018-06-26 19:40:42 +1000
commit834805f5e260bcc77d714323d4a7f4bfd1dbfb17 (patch)
treecc79849a31a7d90630559b39e4de321e6517f54b /sway
parent0085f64ac073666aa661938f15e8c1190d69a69b (diff)
Fix crash when disconnecting output
We were freeing the sway_output immediately upon disconnect which left a dangling pointer in the output's container. It then tried to use the pointer when the container is freed. We don't need to store the sway_output in an output's container which is destroying, so the fix is to set the pointer to NULL and remove the use in container_free. Also added an arrange when the output is disconnected for good measure.
Diffstat (limited to 'sway')
-rw-r--r--sway/desktop/output.c2
-rw-r--r--sway/tree/container.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 790751c3..34fefaa9 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -1271,6 +1271,8 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
wl_list_remove(&output->destroy.link);
output->wlr_output->data = NULL;
free(output);
+
+ arrange_and_commit(&root_container);
}
static void handle_mode(struct wl_listener *listener, void *data) {
diff --git a/sway/tree/container.c b/sway/tree/container.c
index e30c7839..2f041a36 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -171,7 +171,6 @@ void container_free(struct sway_container *cont) {
case C_ROOT:
break;
case C_OUTPUT:
- cont->sway_output->swayc = NULL;
break;
case C_WORKSPACE:
container_workspace_free(cont->sway_workspace);
@@ -287,6 +286,7 @@ static struct sway_container *container_output_destroy(
wl_list_remove(&output->sway_output->damage_frame.link);
output->sway_output->swayc = NULL;
+ output->sway_output = NULL;
wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);