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rtnetlink: fix error return code in rtnl_link_fill()

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Fix to return a negative error code from the error handling case
instead of 0(possible overwrite to 0 by ops->fill_xstats call),
as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2013-03-27 03:22:45 +00:00 committed by David S. Miller
parent 14109a59ca
commit fcca143d69
1 changed files with 3 additions and 1 deletions
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4
net/core/rtnetlink.c
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@ -496,8 +496,10 @@ static int rtnl_link_fill(struct sk_buff *skb, const struct net_device *dev)
}
if (ops->fill_info) {
data = nla_nest_start(skb, IFLA_INFO_DATA);
if (data == NULL)
if (data == NULL) {
err = -EMSGSIZE;
goto err_cancel_link;
}
err = ops->fill_info(skb, dev);
if (err < 0)
goto err_cancel_data;