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Bluetooth: qca: Fix nullptr dereference for non-serdev devices

Message ID 1713325792-17181-1-git-send-email-quic_zijuhu@quicinc.com
State New
Headers show
Series Bluetooth: qca: Fix nullptr dereference for non-serdev devices | expand

Commit Message

Zijun Hu April 17, 2024, 3:49 a.m. UTC 
hu->serdev is nullptr and will cause nullptr dereference if qca_setup()
is called by non-serdev device, fixed by null check before access.

Fixes: 77f45cca8bc5 ("Bluetooth: qca: fix device-address endianness")
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
---
 drivers/bluetooth/hci_qca.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 92fa20f5ac7d..9c6573c727e1 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1905,10 +1905,11 @@  static int qca_setup(struct hci_uart *hu)
 	case QCA_WCN6750:
 	case QCA_WCN6855:
 	case QCA_WCN7850:
-		qcadev = serdev_device_get_drvdata(hu->serdev);
-		if (qcadev->bdaddr_property_broken)
-			set_bit(HCI_QUIRK_BDADDR_PROPERTY_BROKEN, &hdev->quirks);
-
+		if (hu->serdev) {
+			qcadev = serdev_device_get_drvdata(hu->serdev);
+			if (qcadev->bdaddr_property_broken)
+				set_bit(HCI_QUIRK_BDADDR_PROPERTY_BROKEN, &hdev->quirks);
+		}
 		hci_set_aosp_capable(hdev);
 
 		ret = qca_read_soc_version(hdev, &ver, soc_type);