6lowpan: release device on error path
We recently added a new error path and it needs a dev_put().
Fixes: 7adac1ec81
('6lowpan: Only make 6lowpan links to IEEE802154 devices')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1358,8 +1358,10 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
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real_dev = dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
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if (!real_dev)
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return -ENODEV;
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if (real_dev->type != ARPHRD_IEEE802154)
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if (real_dev->type != ARPHRD_IEEE802154) {
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dev_put(real_dev);
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return -EINVAL;
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}
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lowpan_dev_info(dev)->real_dev = real_dev;
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lowpan_dev_info(dev)->fragment_tag = 0;
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