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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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Luiz Augusto von Dentz 2020-01-15 13:02:21 -08:00 committed by Marcel Holtmann
parent 1cc3c10c5a
commit 7e8aeffb11
1 changed files with 14 additions and 5 deletions
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19
drivers/bluetooth/btsdio.c
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@ -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);