linux-kernel - Re: [PATCH] Bluetooth: hci_ll: Fix NULL pointer deref on FW upload failure

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Message-Id: <FC7C39A6-71E0-4A1E-8E57-4D97B0ADB719@holtmann.org>
Date:   Sun, 16 Apr 2017 20:32:39 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     "Gustavo F. Padovan" <gustavo@...ovan.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linux Bluetooth <linux-bluetooth@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hci_ll: Fix NULL pointer deref on FW upload
 failure

Hi Sebastian,

> Avoid NULL pointer dereference occurring due to freeing
> skb containing an error pointer. It can easily be triggered
> by using the driver with broken uart (i.e. due to misconfigured
> pinmuxing).
> 
> Fixes: 371805522f87 ("bluetooth: hci_uart: add LL protocol serdev driver support")
> Signed-off-by: Sebastian Reichel <sre@...nel.org>
> ---
> drivers/bluetooth/hci_ll.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel