From: Seunghun Lee <shiin.lee@samsung.com>
Date: Wed, 6 Jul 2022 07:31:04 +0000 (+0900)
Subject: input: Fix segfault caused by the access null
X-Git-Tag: submit/tizen/20220818.083245~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F90%2F279090%2F1;p=platform%2Fcore%2Fuifw%2Fheadless-server.git

input: Fix segfault caused by the access null

Change-Id: I5b45ab184dbd216de35ad032c03b469aab2116d8
---

diff --git a/src/input/input.c b/src/input/input.c
index 8469d13..dbe1bb3 100644
--- a/src/input/input.c
+++ b/src/input/input.c
@@ -171,14 +171,17 @@ handle_top_change(struct wl_listener *listener, void *data)
 
 	input = wl_container_of(listener, input, top_change);
 
-	input->top_view = view;
-
-	if (input->top_view_destroy.notify)
+	if (input->top_view_destroy.notify) {
 		wl_list_remove(&input->top_view_destroy.link);
-	else
+		input->top_view_destroy.notify = NULL;
+	}
+
+	if (view) {
 		input->top_view_destroy.notify = handle_top_view_destroy;
+		wl_signal_add(&view->events.destroy, &input->top_view_destroy);
+	}
 
-	wl_signal_add(&view->events.destroy, &input->top_view_destroy);
+	input->top_view = view;
 }
 
 static void