hsr: remove unnecessary code in hsr_dev_change_mtu() (f30e4720) · Commits · 戴 / test

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:

net/hsr/hsr_device.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}