From: Tedd Ho-Jeong An <tedd.an@intel.com>
Date: Mon, 18 Oct 2021 17:28:27 +0000 (-0700)
Subject: attrib-server: Fix unchecked return value
X-Git-Tag: submit/tizen/20220313.220938~84
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0322216c7b069c0e1eb7aebfa7351197399729eb;p=platform%2Fupstream%2Fbluez.git

attrib-server: Fix unchecked return value

This patch fixes the unchecked return value(CWE-252) issues reported by
the Coverity.

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>
---

diff --git a/src/attrib-server.c b/src/attrib-server.c
index 17ed61f..070e328 100755
--- a/src/attrib-server.c
+++ b/src/attrib-server.c
@@ -797,6 +797,7 @@ static int read_device_ccc(struct btd_device *device, uint16_t handle,
 {
 	char *filename;
 	GKeyFile *key_file;
+	GError *gerr = NULL;
 	char group[6];
 	char *str;
 	unsigned int config;
@@ -809,7 +810,11 @@ static int read_device_ccc(struct btd_device *device, uint16_t handle,
 	}
 
 	key_file = g_key_file_new();
-	g_key_file_load_from_file(key_file, filename, 0, NULL);
+	if (!g_key_file_load_from_file(key_file, filename, 0, &gerr)) {
+		error("Unable to load key file from %s: (%s)", filename,
+								gerr->message);
+		g_error_free(gerr);
+	}
 
 	sprintf(group, "%hu", handle);
 
@@ -912,6 +917,7 @@ static uint16_t write_value(struct gatt_channel *channel, uint16_t handle,
 	struct attribute *a;
 	uint8_t status;
 	GList *l;
+	GError *gerr = NULL;
 	guint h = handle;
 
 	l = g_list_find_custom(channel->server->database,
@@ -956,7 +962,11 @@ static uint16_t write_value(struct gatt_channel *channel, uint16_t handle,
 		}
 
 		key_file = g_key_file_new();
-		g_key_file_load_from_file(key_file, filename, 0, NULL);
+		if (!g_key_file_load_from_file(key_file, filename, 0, &gerr)) {
+			error("Unable to load key file from %s: (%s)", filename,
+								gerr->message);
+			g_error_free(gerr);
+		}
 
 		sprintf(group, "%hu", handle);
 		sprintf(value, "%hX", cccval);
@@ -965,7 +975,12 @@ static uint16_t write_value(struct gatt_channel *channel, uint16_t handle,
 		data = g_key_file_to_data(key_file, &length, NULL);
 		if (length > 0) {
 			create_file(filename, 0600);
-			g_file_set_contents(filename, data, length, NULL);
+			if (!g_file_set_contents(filename, data, length,
+								&gerr)) {
+				error("Unable set contents for %s: (%s)",
+						filename, gerr->message);
+				g_error_free(gerr);
+			}
 		}
 
 #ifdef TIZEN_FEATURE_BLUEZ_MODIFY
@@ -982,7 +997,11 @@ static uint16_t write_value(struct gatt_channel *channel, uint16_t handle,
 
 		g_key_file_free(key_file);
 		key_file = g_key_file_new();
-		g_key_file_load_from_file(key_file, filename, 0, NULL);
+		if (!g_key_file_load_from_file(key_file, filename, 0, &gerr)) {
+			error("Unable to load key file from %s: (%s)", filename,
+								gerr->message);
+			g_error_free(gerr);
+		}
 
 		memset(&group, 0x00, 6);
 		memset(&value, 0x00, 5);
@@ -994,7 +1013,12 @@ static uint16_t write_value(struct gatt_channel *channel, uint16_t handle,
 		data = g_key_file_to_data(key_file, &length, NULL);
 		if (length > 0) {
 			create_file(filename, S_IRUSR | S_IWUSR);
-			g_file_set_contents(filename, data, length, NULL);
+			if (!g_file_set_contents(filename, data, length,
+								&gerr)) {
+				error("Unable set contents for %s: (%s)",
+						filename, gerr->message);
+				g_error_free(gerr);
+			}
 		}
 #endif