AcoSail/kernel_optimize_test
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rtnl: simplify error return path in rtnl_create_link()

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There is only one possible error path which reaches the err label, so
return ERR_PTR(-ENOMEM) directly if alloc_netdev_mqs() fails. This also
allows to omit the err variable.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2017-02-20 16:32:06 +01:00 committed by David S. Miller
parent 017b29c38c
commit d1892e4ec9
1 changed files with 1 additions and 6 deletions
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7
net/core/rtnetlink.c
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@ -2358,7 +2358,6 @@ struct net_device *rtnl_create_link(struct net *net,
const char *ifname, unsigned char name_assign_type,
const struct rtnl_link_ops *ops, struct nlattr *tb[])
{
int err;
struct net_device *dev;
unsigned int num_tx_queues = 1;
unsigned int num_rx_queues = 1;
@ -2373,11 +2372,10 @@ struct net_device *rtnl_create_link(struct net *net,
else if (ops->get_num_rx_queues)
num_rx_queues = ops->get_num_rx_queues();
err = -ENOMEM;
dev = alloc_netdev_mqs(ops->priv_size, ifname, name_assign_type,
ops->setup, num_tx_queues, num_rx_queues);
if (!dev)
goto err;
return ERR_PTR(-ENOMEM);
dev_net_set(dev, net);
dev->rtnl_link_ops = ops;
@ -2403,9 +2401,6 @@ struct net_device *rtnl_create_link(struct net *net,
dev_set_group(dev, nla_get_u32(tb[IFLA_GROUP]));
return dev;
err:
return ERR_PTR(err);
}
EXPORT_SYMBOL(rtnl_create_link);