From a8f13c8cd2c732828e5da735c204447a55cdab03 Mon Sep 17 00:00:00 2001
From: Andre Guedes <andre.guedes@openbossa.org>
Date: Fri, 9 Sep 2011 18:56:24 -0300
Subject: [PATCH] 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>
---
net/bluetooth/hci_event.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index fd6eea0941b63..35083f2aa2ea0 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)
--
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