From: Andre Guedes <andre.guedes@openbossa.org>
Date: Fri, 9 Sep 2011 21:56:24 +0000 (-0300)
Subject: Bluetooth: Reduce critical region.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a8f13c8cd2c732828e5da735c204447a55cdab03;p=linux-beck.git

Bluetooth: Reduce critical region.

This patch reduces the critial region (protected by hdev->lock) in
hci_cc_le_set_scan_enable(). This way, only really required code is
synchronized.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index fd6eea0941b6..35083f2aa2ea 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -898,16 +898,15 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
 	if (!cp)
 		return;
 
-	hci_dev_lock(hdev);
-
 	if (cp->enable == 0x01) {
 		del_timer(&hdev->adv_timer);
+
+		hci_dev_lock(hdev);
 		hci_adv_entries_clear(hdev);
+		hci_dev_unlock(hdev);
 	} else if (cp->enable == 0x00) {
 		mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
 	}
-
-	hci_dev_unlock(hdev);
 }
 
 static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)