linux-kernel - Re: [PATCH] rtlwifi: get buffer_desc before trying to alloc new skb

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Message-ID: <CAO_0yfMgV7Sh8uJebE5VN4U3EkjCciYh659_OY5ZwJvjOgM7LA@mail.gmail.com>
Date:	Fri, 13 Mar 2015 10:36:29 +0800
From:	Yang Bai <hamo.by@...il.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	kvalo@...eaurora.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtlwifi: get buffer_desc before trying to alloc new skb

On Fri, Mar 13, 2015 at 1:29 AM, Larry Finger <Larry.Finger@...inger.net> wrote:
> On 03/12/2015 06:33 AM, Yang Bai wrote:
>>
>> if rtlpriv->use_new_trx_flow == true and we run out of memory
>> to alloc a new skb, we will directly jump to no_new tag with
>> buffer_desc == NULL. Then we will dereference this NULL pointer
>> in function _rtl_pci_init_one_rxdesc.
>>
>> Signed-off-by: Yang Bai <hamo.by@...il.com>
>
>
> Is the attached patch OK? I have tested it, but it is unlikely that I have
> hit any memory failures, thus that part needs to be checked by eye.

Looks good to me. Thanks very much for your review.

Yang
>
> Larry
>
>
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