File adapter-Fix-storing-discoverable-setting.patch of Package bluez.25900

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File adapter-Fix-storing-discoverable-setting.patch of Package bluez.25900

From b497b5942a8beb8f89ca1c359c54ad67ec843055 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Thu, 24 Jun 2021 16:32:04 -0700
Subject: [PATCH] adapter: Fix storing discoverable setting

discoverable setting shall only be store when changed via Discoverable
property and not when discovery client set it as that be considered
temporary just for the lifetime of the discovery.
---
 src/adapter.c | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

Index: bluez-5.48/src/adapter.c
===================================================================
--- bluez-5.48.orig/src/adapter.c
+++ bluez-5.48/src/adapter.c
@@ -544,7 +544,11 @@ static void settings_changed(struct btd_
 	if (changed_mask & MGMT_SETTING_DISCOVERABLE) {
 		g_dbus_emit_property_changed(dbus_conn, adapter->path,
 					ADAPTER_INTERFACE, "Discoverable");
-		store_adapter_info(adapter);
+		/* Only persist discoverable setting if it was not set
+		 * temporarily by discovery.
+		 */
+		if (!adapter->discovery_discoverable)
+			store_adapter_info(adapter);
 	}
 
 	if (changed_mask & MGMT_SETTING_BONDABLE) {
@@ -2085,8 +2089,6 @@ static bool filters_equal(struct mgmt_cp
 static int update_discovery_filter(struct btd_adapter *adapter)
 {
 	struct mgmt_cp_start_service_discovery *sd_cp;
-	GSList *l;
-
 
 	DBG("");
 
@@ -2096,17 +2098,24 @@ static int update_discovery_filter(struc
 		return -ENOMEM;
 	}
 
-	for (l = adapter->discovery_list; l; l = g_slist_next(l)) {
-		struct watch_client *client = l->data;
+	/* Only attempt to overwrite current discoverable setting when not
+	 * discoverable.
+	 */
+	if (!(adapter->current_settings & MGMT_OP_SET_DISCOVERABLE)) {
+		GSList *l;
 
-		if (!client->discovery_filter)
-			continue;
+		for (l = adapter->discovery_list; l; l = g_slist_next(l)) {
+			struct watch_client *client = l->data;
 
-		if (client->discovery_filter->discoverable)
-			break;
-	}
+			if (!client->discovery_filter)
+				continue;
 
-	set_discovery_discoverable(adapter, l ? true : false);
+			if (client->discovery_filter->discoverable) {
+				set_discovery_discoverable(adapter, true);
+				break;
+			}
+		}
+	}
 
 	/*
 	 * If filters are equal, then don't update scan, except for when
@@ -2139,8 +2148,7 @@ static int discovery_stop(struct watch_c
 		return 0;
 	}
 
-	if (adapter->discovery_discoverable)
-		set_discovery_discoverable(adapter, false);
+	set_discovery_discoverable(adapter, false);
 
 	/*
 	 * In the idle phase of a discovery, there is no need to stop it
@@ -6060,6 +6068,7 @@ static void adapter_stop(struct btd_adap
 	g_free(adapter->current_discovery_filter);
 	adapter->current_discovery_filter = NULL;
 
+	set_discovery_discoverable(adapter, false);
 	adapter->discovering = false;
 
 	while (adapter->connections) {

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File adapter-Fix-storing-discoverable-setting.patch of Package bluez.25900

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