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| H A D | tun.c | diff 8c847d254146d32c86574a1b16923ff91bb784dd Thu Nov 13 02:54:14 CST 2014 Jason Wang <jasowang@redhat.com> tun: fix issues of iovec iterators using in tun_put_user()
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@gondor.apana.org.au>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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