From: Soenke Huster <soenke.huster@eknoes.de>
Date: Wed, 20 Oct 2021 08:14:44 +0000 (+0200)
Subject: Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle()
X-Git-Tag: v6.6.17~8491^2~428^2~55
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d0688421449718c6c5f46e458a378c9b530ba18;p=platform%2Fkernel%2Flinux-rpi.git

Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle()

On the reception of packets with an invalid packet type, the memory of
the allocated socket buffers is never freed. Add a default case that frees
these to avoid a memory leak.

Fixes: afd2daa26c7a ("Bluetooth: Add support for virtio transport driver")
Signed-off-by: Soenke Huster <soenke.huster@eknoes.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c
index 57908ce..076e494 100644
--- a/drivers/bluetooth/virtio_bt.c
+++ b/drivers/bluetooth/virtio_bt.c
@@ -202,6 +202,9 @@ static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)
 		hci_skb_pkt_type(skb) = pkt_type;
 		hci_recv_frame(vbt->hdev, skb);
 		break;
+	default:
+		kfree_skb(skb);
+		break;
 	}
 }