Re: [PATCH net-next] tun: fix issues of iovec iterators using in tun_put_user()

[Herbert Xu]

On Thu, Nov 13, 2014 at 04:54:14PM +0800, Jason Wang wrote:
> This patch fixes two issues after using iovec iterators:
> - vlan_offset should be initialized to zero, otherwise unexpected offset
>   will be used in skb_copy_datagram_iter()
> - advance iovec iterator when vnet_hdr_sz is greater than sizeof(gso), this
>   is the case when mergeable rx buffer were enabled for a virt guest.
> 
> Fixes e0b46d0ee9c240c7430a47e9b0365674d4a04522 ("tun: Use iovec iterators")
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Good catch.

Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

Thanks!
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Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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