From: Nishant Chaprana <n.chaprana@samsung.com>
Date: Wed, 8 Sep 2021 06:15:23 +0000 (+0530)
Subject: Fix NULL pointer dereference
X-Git-Tag: submit/tizen/20210915.152102^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fheads%2Ftizen_7.0;p=platform%2Fcore%2Fconnectivity%2Finm-manager.git

Fix NULL pointer dereference

The wrapper function is called in scenarios in which p_trace_route can be NULL.
So NULL check should be performed before deallocation of memory.

Change-Id: I3e985f6890b1f2233a16e08c9cf7e10217b2dd3b
Signed-off-by: Nishant Chaprana <n.chaprana@samsung.com>
---

diff --git a/src/inm-trace-route.c b/src/inm-trace-route.c
index 1667a0c..d3c4214 100644
--- a/src/inm-trace-route.c
+++ b/src/inm-trace-route.c
@@ -541,6 +541,9 @@ static inline int __create_sock_data()
 
 static inline void __clear_trace_route_data(inm_trace_route_data_s *p_trace_route)
 {
+	if (!p_trace_route)
+		return;
+
 	REMOVE_G_SOURCE(p_trace_route->tr_timer_source_id);
 	inm_util_destroy_gio_channel(p_trace_route->sock_io_channel, FALSE);
 	g_free(p_trace_route->target);