AcoSail/kernel_optimize_test
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hsr: remove unnecessary code in hsr_dev_change_mtu()

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In the hsr_dev_change_mtu(), the 'dev' and 'master->dev' pointer are
same. So, the 'master' variable and some code are unnecessary.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Taehee Yoo 2020-04-24 12:43:09 +00:00 committed by David S. Miller
parent 071c8ed6e8
commit f30e472071
1 changed files with 1 additions and 3 deletions
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4
net/hsr/hsr_device.c
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@ -125,13 +125,11 @@ int hsr_get_max_mtu(struct hsr_priv *hsr)
static int hsr_dev_change_mtu(struct net_device *dev, int new_mtu)
{
struct hsr_priv *hsr;
struct hsr_port *master;
hsr = netdev_priv(dev);
master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);
if (new_mtu > hsr_get_max_mtu(hsr)) {
netdev_info(master->dev, "A HSR master's MTU cannot be greater than the smallest MTU of its slaves minus the HSR Tag length (%d octets).\n",
netdev_info(dev, "A HSR master's MTU cannot be greater than the smallest MTU of its slaves minus the HSR Tag length (%d octets).\n",
HSR_HLEN);
return -EINVAL;
}