From: Annie Li <annie.li@oracle.com>
Date: Mon, 10 Mar 2014 14:58:34 +0000 (+0800)
Subject: Xen-netback: Fix issue caused by using gso_type wrongly
X-Git-Tag: v3.14-rc7~10^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5bd076708;p=pandora-kernel.git

Xen-netback: Fix issue caused by using gso_type wrongly

Current netback uses gso_type to check whether the skb contains
gso offload, and this is wrong. Gso_size is the right one to
check gso existence, and gso_type is only used to check gso type.

Some skbs contains nonzero gso_type and zero gso_size, current
netback would treat these skbs as gso and create wrong response
for this. This also causes ssh failure to domu from other server.

V2: use skb_is_gso function as Paul Durrant suggested

Signed-off-by: Annie Li <annie.li@oracle.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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