tree 2e3db99af1b6eace9d853e2f3c4209acfc3e64a7
parent b1aac815c0891fe4a55a6b0b715910142227700f
author Wei Yongjun <weiyj.lk@gmail.com> 1387248129 +0800
committer David S. Miller <davem@davemloft.net> 1387483127 -0500

xen-netback: fix some error return code

'err' is overwrited to 0 after maybe_pull_tail() call, so the error
code was not set if skb_partial_csum_set() call failed. Fix to return
error -EPROTO from those error handling case instead of 0.

Fixes: d52eb0d46f36 ('xen-netback: make sure skb linear area covers checksum field')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>