From 7e8aeffb112aa1d1600ce0ee44e444b63e3d41f9 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 15 Jan 2020 13:02:21 -0800 Subject: Bluetooth: btsdio: Check for valid packet type Check for valid packet type before calling hci_recv_frame which is inline with what other drivers are doing. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann --- drivers/bluetooth/btsdio.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'drivers/bluetooth/btsdio.c') diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c index fd9571d5fdac..199e8f7d426d 100644 --- a/drivers/bluetooth/btsdio.c +++ b/drivers/bluetooth/btsdio.c @@ -145,11 +145,20 @@ static int btsdio_rx_packet(struct btsdio_data *data) data->hdev->stat.byte_rx += len; - hci_skb_pkt_type(skb) = hdr[3]; - - err = hci_recv_frame(data->hdev, skb); - if (err < 0) - return err; + switch (hdr[3]) { + case HCI_EVENT_PKT: + case HCI_ACLDATA_PKT: + case HCI_SCODATA_PKT: + case HCI_ISODATA_PKT: + hci_skb_pkt_type(skb) = hdr[3]; + err = hci_recv_frame(data->hdev, skb); + if (err < 0) + return err; + break; + default: + kfree_skb(skb); + return -EINVAL; + } sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL); -- cgit v1.2.3