From: Hyunho Kang <hhstark.kang@samsung.com>
Date: Fri, 10 Feb 2017 05:47:53 +0000 (+0900)
Subject: Add error return logic to watcher_evas_get_pid
X-Git-Tag: submit/tizen/20170213.012027~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=29c85c12a9d6c42860fe64abf485c5beb67b6cdc;p=platform%2Fcore%2Fappfw%2Fscreen-connector.git

Add error return logic to watcher_evas_get_pid

Sub viewer should not get pid using screen image object.

Change-Id: I4f12cb2c1f8f96575a81f1e8a5665ff7f52fba09
Signed-off-by: Hyunho Kang <hhstark.kang@samsung.com>
---

diff --git a/screen_connector_watcher_evas/src/screen_connector_watcher_evas.c b/screen_connector_watcher_evas/src/screen_connector_watcher_evas.c
index 3d0a25c..c44a18b 100644
--- a/screen_connector_watcher_evas/src/screen_connector_watcher_evas.c
+++ b/screen_connector_watcher_evas/src/screen_connector_watcher_evas.c
@@ -747,13 +747,21 @@ EXPORT_API int screen_connector_watcher_evas_get_rid(Evas_Object *obj, int *reso
 EXPORT_API int screen_connector_watcher_evas_get_pid(Evas_Object *obj, int *pid)
 {
 	screen_connector_watcher_evas_h watcher_evas_h;
+	int watcher_pid;
 
 	watcher_evas_h = (screen_connector_watcher_evas_h)g_hash_table_lookup(__watcher_tbl, obj);
 	if (!watcher_evas_h) {
 		LOGE("unknown object.");
 		return -1;
 	}
-	*pid = screen_connector_watcher_get_pid(watcher_evas_h->watcher_h);
+
+	watcher_pid = screen_connector_watcher_get_pid(watcher_evas_h->watcher_h);
+	if (watcher_pid == 0) {
+		LOGE("Invalid object");
+		return -1;
+	}
+
+	*pid = watcher_pid;
 
 	return 0;
 }