From: Wootak Jung <wootak.jung@samsung.com>
Date: Thu, 1 Feb 2024 06:45:38 +0000 (+0900)
Subject: Fix crash issue when write_cb is NULL
X-Git-Tag: accepted/tizen/7.0/unified/20240205.015610^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F98%2F305398%2F1;p=platform%2Fcore%2Fapi%2Fbluetooth.git

Fix crash issue when write_cb is NULL

Change-Id: I4dc116d88a8d527ffc865e2fbeeed17e5365fde3
Signed-off-by: Wootak Jung <wootak.jung@samsung.com>
---

diff --git a/src/bluetooth-gatt.c b/src/bluetooth-gatt.c
index fb72744..b485875 100644
--- a/src/bluetooth-gatt.c
+++ b/src/bluetooth-gatt.c
@@ -4210,8 +4210,10 @@ int bt_gatt_client_write_value(bt_gatt_h gatt_handle,
 			chr->write_user_data = user_data;
 		}
 
-		if (chr->write_type == BT_GATT_WRITE_TYPE_WRITE_NO_RESPONSE)
-			chr->write_cb(ret, gatt_handle, user_data);
+		if (chr->write_type == BT_GATT_WRITE_TYPE_WRITE_NO_RESPONSE) {
+			if (chr->write_cb)
+				chr->write_cb(ret, gatt_handle, user_data);
+		}
 	} else if (c->type == BT_GATT_TYPE_DESCRIPTOR) {
 		bt_gatt_descriptor_s *desc = (bt_gatt_descriptor_s *)gatt_handle;