Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

2 files changed, 13 insertions, 5 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d817c93..ace5e55 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -341,7 +341,6 @@ static void hci_init1_req(struct hci_request *req, unsigned long opt)
 
 static void bredr_setup(struct hci_request *req)
 {
-	struct hci_cp_delete_stored_link_key cp;
 	__le16 param;
 	__u8 flt_type;
 
@@ -365,10 +364,6 @@ static void bredr_setup(struct hci_request *req)
 	param = __constant_cpu_to_le16(0x7d00);
 	hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
 
-	bacpy(&cp.bdaddr, BDADDR_ANY);
-	cp.delete_all = 0x01;
-	hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
-
 	/* Read page scan parameters */
 	if (req->hdev->hci_ver > BLUETOOTH_VER_1_1) {
 		hci_req_add(req, HCI_OP_READ_PAGE_SCAN_ACTIVITY, 0, NULL);
@@ -602,6 +597,16 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
 	struct hci_dev *hdev = req->hdev;
 	u8 p;
 
+	/* Only send HCI_Delete_Stored_Link_Key if it is supported */
+	if (hdev->commands[6] & 0x80) {
+		struct hci_cp_delete_stored_link_key cp;
+
+		bacpy(&cp.bdaddr, BDADDR_ANY);
+		cp.delete_all = 0x01;
+		hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY,
+			    sizeof(cp), &cp);
+	}
+
 	if (hdev->commands[5] & 0x10)
 		hci_setup_link_policy(req);
 
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 24bee07..4be6a26 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2852,6 +2852,9 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code,
 	BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %u",
 	       conn, code, ident, dlen);
 
+	if (conn->mtu < L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE)
+		return NULL;
+
 	len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen;
 	count = min_t(unsigned int, conn->mtu, len);