From: Anderson Briglia <anderson.briglia@openbossa.org>
Date: Mon, 21 Feb 2011 18:09:23 +0000 (-0300)
Subject: Bluetooth: Fix LE conn creation
X-Git-Tag: v2.6.39-rc1~468^2~25^2^2~67^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15c4794fe247d85ce38eb5f5e2a5855d996f56cd;p=platform%2Fkernel%2Flinux-stable.git

Bluetooth: Fix LE conn creation

This patch prevents a crash when remote host tries to create a LE
link which already exists. i.e.: call l2test twice passing the
same parameters.

Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 6d8b988..4504cb6 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -430,8 +430,9 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 
 	if (type == LE_LINK) {
 		le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
-		if (!le)
-			le = hci_conn_add(hdev, LE_LINK, dst);
+		if (le)
+			return NULL;
+		le = hci_conn_add(hdev, LE_LINK, dst);
 		if (!le)
 			return NULL;
 		if (le->state == BT_OPEN)