Commit 67b8fbea authored Nov 22, 2017 by Loic Poulain Committed by Marcel Holtmann Dec 13, 2017

Bluetooth: btqcomsmd: Fix skb double free corruption



In case of hci send frame failure, skb is still owned
by the caller (hci_core) and then should not be freed.

This fixes crash on dragonboard-410c when sending SCO
packet. skb is freed by both btqcomsmd and hci_core.

Fixes: 1511cc75 ("Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driver")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent d73e1728

drivers/bluetooth/btqcomsmd.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -88,6 +88,7 @@ static int btqcomsmd_send(struct hci_dev hdev, struct sk_buff skb)
		break;
		}

		if (!ret)
		kfree_skb(skb);

		return ret;