input: Properly handle setting touch focus to NULL

This happens on TOUCH_UP, and we unconditionally dereference view->surface.
11 years ago · c3244d7abc
parent b5a4f986d4
commit c3244d7abc
1 changed files with 2 additions and 1 deletions
--- a/src/input.c
+++ b/src/input.c
@ -1154,7 +1154,8 @@ weston_touch_set_focus(struct weston_seat *seat, struct weston_view *view)

 	focus_resource_list = &seat->touch->focus_resource_list;

-	if (seat->touch->focus->surface == view->surface) {
+	if (view && seat->touch->focus &&
+	    seat->touch->focus->surface == view->surface) {
 		seat->touch->focus = view;
 		return;
 	}