Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Johan Hedberg says:

====================
pull request: bluetooth-next 2019-10-23

Here's the main bluetooth-next pull request for the 5.5 kernel:

 - Multiple fixes to hci_qca driver
 - Fix for HCI_USER_CHANNEL initialization
 - btwlink: drop superseded driver
 - Add support for Intel FW download error recovery
 - Various other smaller fixes & improvements

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 18 insertions, 9 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index ad5b0ac1f9ce..7ff92dd4c53c 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -934,6 +934,14 @@ static void hci_req_directed_advertising(struct hci_request *req,
 			return;
 
 		memset(&cp, 0, sizeof(cp));
+
+		/* Some controllers might reject command if intervals are not
+		 * within range for undirected advertising.
+		 * BCM20702A0 is known to be affected by this.
+		 */
+		cp.min_interval = cpu_to_le16(0x0020);
+		cp.max_interval = cpu_to_le16(0x0020);
+
 		cp.type = LE_ADV_DIRECT_IND;
 		cp.own_address_type = own_addr_type;
 		cp.direct_addr_type = conn->dst_type;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 04bc79359a17..0cc9ce917222 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -842,8 +842,8 @@ static int hci_init4_req(struct hci_request *req, unsigned long opt)
 	if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
 		struct hci_cp_le_write_def_data_len cp;
 
-		cp.tx_len = hdev->le_max_tx_len;
-		cp.tx_time = hdev->le_max_tx_time;
+		cp.tx_len = cpu_to_le16(hdev->le_max_tx_len);
+		cp.tx_time = cpu_to_le16(hdev->le_max_tx_time);
 		hci_req_add(req, HCI_OP_LE_WRITE_DEF_DATA_LEN, sizeof(cp), &cp);
 	}
 
@@ -4440,7 +4440,14 @@ static void hci_rx_work(struct work_struct *work)
 			hci_send_to_sock(hdev, skb);
 		}
 
-		if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
+		/* If the device has been opened in HCI_USER_CHANNEL,
+		 * the userspace has exclusive access to device.
+		 * When device is HCI_INIT, we still need to process
+		 * the data packets to the driver in order
+		 * to complete its setup().
+		 */
+		if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+		    !test_bit(HCI_INIT, &hdev->flags)) {
 			kfree_skb(skb);
 			continue;
 		}
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 26e8cfad22b8..6b42be4b5861 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -502,15 +502,12 @@ bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
 		     const bdaddr_t *bdaddr)
 {
 	struct l2cap_chan *chan = hdev->smp_data;
-	struct smp_dev *smp;
 	u8 hash[3];
 	int err;
 
 	if (!chan || !chan->data)
 		return false;
 
-	smp = chan->data;
-
 	BT_DBG("RPA %pMR IRK %*phN", bdaddr, 16, irk);
 
 	err = smp_ah(irk, &bdaddr->b[3], hash);
@@ -523,14 +520,11 @@ bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
 int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa)
 {
 	struct l2cap_chan *chan = hdev->smp_data;
-	struct smp_dev *smp;
 	int err;
 
 	if (!chan || !chan->data)
 		return -EOPNOTSUPP;
 
-	smp = chan->data;
-
 	get_random_bytes(&rpa->b[3], 3);
 
 	rpa->b[5] &= 0x3f;	/* Clear two most significant bits */