Fix this sparse warnings:

  drivers/net/usb/hso.c:1249:6: warning: symbol 'hso_unthrottle_tasklet' was not declared. Should it be static?
  drivers/net/usb/hso.c:1268:6: warning: symbol 'hso_unthrottle_workfunc' was not declared. Should it be static?
  drivers/net/usb/hso.c:1466:5: warning: symbol 'tiocmget_submit_urb' was not declared. Should it be static?
  drivers/net/usb/smsc95xx.c:62:5: warning: symbol 'turbo_mode' was not declared. Should it be static?

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
---
 drivers/net/usb/hso.c      |   10 +++++-----
 drivers/net/usb/smsc95xx.c |    2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 2d41a10..1a09288 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1246,7 +1246,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
  * This needs to be a tasklet otherwise we will
  * end up recursively calling this function.
  */
-void hso_unthrottle_tasklet(struct hso_serial *serial)
+static void hso_unthrottle_tasklet(struct hso_serial *serial)
 {
 	unsigned long flags;
 
@@ -1265,7 +1265,7 @@ static	void hso_unthrottle(struct tty_struct *tty)
 	tasklet_hi_schedule(&serial->unthrottle_tasklet);
 }
 
-void hso_unthrottle_workfunc(struct work_struct *work)
+static void hso_unthrottle_workfunc(struct work_struct *work)
 {
 	struct hso_serial *serial =
 	    container_of(work, struct hso_serial,
@@ -1463,9 +1463,9 @@ static int hso_serial_chars_in_buffer(struct tty_struct *tty)
 
 	return chars;
 }
-int tiocmget_submit_urb(struct hso_serial *serial,
-			struct hso_tiocmget  *tiocmget,
-			struct usb_device *usb)
+static int tiocmget_submit_urb(struct hso_serial *serial,
+			       struct hso_tiocmget *tiocmget,
+			       struct usb_device *usb)
 {
 	int result;
 
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index fed22ff..111a365 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -59,7 +59,7 @@ struct usb_context {
 	struct usbnet *dev;
 };
 
-int turbo_mode = true;
+static int turbo_mode = true;
 module_param(turbo_mode, bool, 0644);
 MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
 

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