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Subject: Re: [PATCH] Bluetooth: Fix bt_skb_sendmmsg not allocating partial
 chunks
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20220215015938.1950978-1-luiz.dentz@gmail.com>
Date:   Wed, 16 Feb 2022 11:26:40 +0100
Cc:     linux-bluetooth@vger.kernel.org
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Message-Id: <E428782F-C1D1-43FB-8CB3-009BD97A2D14@holtmann.org>
References: <20220215015938.1950978-1-luiz.dentz@gmail.com>
To:     Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Precedence: bulk

Hi Luiz,

> Since bt_skb_sendmmsg can be used with the likes of SOCK_STREAM it
> shall return the partial chunks it could allocate instead of freeing
> everything as otherwise it can cause problems like bellow.
> 
> Link: https://lore.kernel.org/linux-bluetooth/aa3ee7ac-6c52-3861-1798-3cc1a37f6ebf@molgen.mpg.de/T/#m1f9673e4ab0d55a7dccf87905337ab2e67d689f1
> Fixes: 81be03e026dc ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg")
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
> ---
> include/net/bluetooth/bluetooth.h | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel