[NET]: Kill unused first argument in dev_get_idx().

net/core/dev.c

@@ -1836,8 +1836,7 @@ static int dev_ifconf(char *arg)
  *	This is invoked by the /proc filesystem handler to display a device
  *	in detail.
  */
-static __inline__ struct net_device *dev_get_idx(struct seq_file *seq,
-						 loff_t pos)
+static __inline__ struct net_device *dev_get_idx(loff_t pos)
 {
 	struct net_device *dev;
 	loff_t i;
@@ -1850,7 +1849,7 @@ static __inline__ struct net_device *dev_get_idx(struct seq_file *seq,
 void *dev_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	read_lock(&dev_base_lock);
-	return *pos ? dev_get_idx(seq, *pos - 1) : (void *)1;
+	return *pos ? dev_get_idx(*pos - 1) : (void *)1;
 }
 
 void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)