linux-kernel - Re: [PATCH] staging: rtl8192e: check return value of dev_skb

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Message-ID: <CAPDOMViz=cte8_YkxFMLSZmsgC5LysDMoNCokB8f4A3YKmDhSg@mail.gmail.com>
Date:	Thu, 19 Jun 2014 14:41:11 -0400
From:	Nick Krause <xerofoify@...il.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org,
	ben@...adent.org.uk, lisa@...apiadmin.com,
	Valentina Manea <valentina.manea.m@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: check return value of dev_skb_alloc

Hey  guys,
Sorry about no reply,
my power supply died last night,
have to get a new one. I will be RMAing
the old old in order to get a packup in
case this PSU dies.
Cheers Nick


On Thu, Jun 19, 2014 at 1:29 AM, Dan Carpenter <dan.carpenter@...cle.com> wrote:
> On Wed, Jun 18, 2014 at 10:24:41PM -0400, Nicholas Krause wrote:
>> Checks if dev_skb_alloc returns Null in function, fw_download_code.
>> If the return value of dev_skb_alloc is NULL return false and exit
>> this function.
>> Signed-off-by: Nicholas Krause <xerofoify@...il.com>
>> ---
>>  drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
>> index 1a95d1f..38ae236 100644
>> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
>> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
>> @@ -62,6 +62,8 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
>>
>>               skb  = dev_alloc_skb(frag_length + 4);
>>               memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
>> +             if (!skb)
>> +                     return !rt_status;
>
> What's this !rt_status?  Just return false.
>
> regards,
> dan carpenter
>
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