[PATCH] lan78xx: mark symbols static where possible

From: Baoyou Xie
Date: Tue Sep 06 2016 - 04:19:49 EST


We get a few warnings when building kernel with W=1:
drivers/net/usb/lan78xx.c:1182:6: warning: no previous prototype for 'lan78xx_defer_kevent' [-Wmissing-prototypes]
drivers/net/usb/lan78xx.c:1409:5: warning: no previous prototype for 'lan78xx_nway_reset' [-Wmissing-prototypes]
drivers/net/usb/lan78xx.c:2000:5: warning: no previous prototype for 'lan78xx_set_mac_addr' [-Wmissing-prototypes]
....

In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
---
drivers/net/usb/lan78xx.c | 24 +++++++++++++-----------
1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 6a9d474..8c467a5 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1179,7 +1179,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
* NOTE: annoying asymmetry: if it's active, schedule_work() fails,
* but tasklet_schedule() doesn't. hope the failure is rare.
*/
-void lan78xx_defer_kevent(struct lan78xx_net *dev, int work)
+static void lan78xx_defer_kevent(struct lan78xx_net *dev, int work)
{
set_bit(work, &dev->flags);
if (!schedule_delayed_work(&dev->wq, 0))
@@ -1406,7 +1406,7 @@ static u32 lan78xx_get_link(struct net_device *net)
return net->phydev->link;
}

-int lan78xx_nway_reset(struct net_device *net)
+static int lan78xx_nway_reset(struct net_device *net)
{
return phy_start_aneg(net->phydev);
}
@@ -1997,7 +1997,7 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
return 0;
}

-int lan78xx_set_mac_addr(struct net_device *netdev, void *p)
+static int lan78xx_set_mac_addr(struct net_device *netdev, void *p)
{
struct lan78xx_net *dev = netdev_priv(netdev);
struct sockaddr *addr = p;
@@ -2371,7 +2371,7 @@ static void lan78xx_terminate_urbs(struct lan78xx_net *dev)
remove_wait_queue(&unlink_wakeup, &wait);
}

-int lan78xx_stop(struct net_device *net)
+static int lan78xx_stop(struct net_device *net)
{
struct lan78xx_net *dev = netdev_priv(net);

@@ -2533,7 +2533,8 @@ static void lan78xx_queue_skb(struct sk_buff_head *list,
entry->state = state;
}

-netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t
+lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net)
{
struct lan78xx_net *dev = netdev_priv(net);
struct sk_buff *skb2 = NULL;
@@ -2562,7 +2563,8 @@ netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net)
return NETDEV_TX_OK;
}

-int lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf)
+static int
+lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf)
{
int tmp;
struct usb_host_interface *alt = NULL;
@@ -2700,7 +2702,7 @@ static void lan78xx_rx_csum_offload(struct lan78xx_net *dev,
}
}

-void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb)
+static void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb)
{
int status;

@@ -3285,7 +3287,7 @@ static void lan78xx_disconnect(struct usb_interface *intf)
usb_put_dev(udev);
}

-void lan78xx_tx_timeout(struct net_device *net)
+static void lan78xx_tx_timeout(struct net_device *net)
{
struct lan78xx_net *dev = netdev_priv(net);

@@ -3605,7 +3607,7 @@ static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
return 0;
}

-int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
+static int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);
struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]);
@@ -3701,7 +3703,7 @@ out:
return ret;
}

-int lan78xx_resume(struct usb_interface *intf)
+static int lan78xx_resume(struct usb_interface *intf)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);
struct sk_buff *skb;
@@ -3768,7 +3770,7 @@ int lan78xx_resume(struct usb_interface *intf)
return 0;
}

-int lan78xx_reset_resume(struct usb_interface *intf)
+static int lan78xx_reset_resume(struct usb_interface *intf)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);

--
2.7.4