diff mbox series

[v4,11/11] Bluetooth: btsdio: Check for valid packet type

Message ID 20200115063633.32441-12-luiz.dentz@gmail.com
State New
Headers show
Series [v4,01/11] Bluetooth: Add definitions for CIS connections | expand

Commit Message

Luiz Augusto von Dentz Jan. 15, 2020, 6:36 a.m. UTC 
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

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>
---
 drivers/bluetooth/btsdio.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index fd9571d5fdac..b35d70073546 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;
+		}
+	default:
+		kfree_skb(skb);
+		return -EINVAL;
+	}
 
 	sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL);