From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] virtio_net: fix the potential NULL pointer in
 xmit_skb()
Date: Fri, 14 Feb 2014 00:12:52 -0500 (EST)
Message-ID: <20140214.001252.1994875881466995036.davem@davemloft.net>
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From: Zhi Yong Wu <wuzhy@linux.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@linux.vnet.ibm.com>

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