netdev - Re: [PATCH] virtio_net: fix the potential NULL pointer in xmit

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Message-Id: <20140214.001252.1994875881466995036.davem@davemloft.net>
Date:	Fri, 14 Feb 2014 00:12:52 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	wuzhy@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] virtio_net: fix the potential NULL pointer in
 xmit_skb()

From: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
Date: Fri, 14 Feb 2014 12:00:08 +0800

> The pointer hdr isn't assigned before hdr->mhdr and hdr->hdr
> are used, so it could be one invalid pointer.
> 
> Signed-off-by: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>

sizeof(x) does not evaluate any dereferences made by 'x'
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