linux-kernel - Re: [PATCHv4]staging:rtl8192e: check return value of dev_skb

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Date:	Wed, 18 Jun 2014 16:18:46 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Nicholas Krause <xerofoify@...il.com>
Cc:	ben@...adent.org.uk, lisa@...apiadmin.com,
	valentina.manea.m@...il.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4]staging:rtl8192e: check return value of dev_skb_alloc

On Wed, Jun 18, 2014 at 07:10:30PM -0400, Nicholas Krause wrote:
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> index 1a95d1f..1a90546 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> @@ -61,6 +61,10 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
>  		}
>  
>  		skb  = dev_alloc_skb(frag_length + 4);
> +		if (!skb)
> +			!return rt_status;
>  		memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
>  		tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
>  		tcb_desc->queue_index = TXCMD_QUEUE;
> --

This is a joke now, right?

I'm going to give you a bit of time to step back, relax, and think about
what you are doing.  Feel free to come back next week with a fixed and
correct patch when you go and read my previous review comments.

greg k-h
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