net: cosa: remove redundant blank lines

This patch removes some redundant blank lines.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/cosa.c

@@ -608,7 +608,6 @@ static int cosa_probe(int base, int irq, int dma)
 	return err;
 }
 
-
 /*---------- network device ---------- */
 
 static int cosa_net_attach(struct net_device *dev, unsigned short encoding,
@@ -840,7 +839,6 @@ static int chrdev_rx_done(struct channel_data *chan)
 	return 1;
 }
 
-
 static ssize_t cosa_write(struct file *file,
 	const char __user *buf, size_t count, loff_t *ppos)
 {
@@ -988,7 +986,6 @@ static int cosa_fasync(struct inode *inode, struct file *file, int on)
 }
 #endif
 
-
 /* ---------- Ioctls ---------- */
 
 /*
@@ -1034,7 +1031,6 @@ static inline int cosa_download(struct cosa_data *cosa, void __user *arg)
 	if (d.len < 0 || d.len > COSA_MAX_FIRMWARE_SIZE)
 		return -EINVAL;
 
-
 	/* If something fails, force the user to reset the card */
 	cosa->firmware_status &= ~(COSA_FW_RESET|COSA_FW_DOWNLOAD);
 
@@ -1197,7 +1193,6 @@ static long cosa_chardev_ioctl(struct file *file, unsigned int cmd,
 	return ret;
 }
 
-
 /*---------- HW layer interface ---------- */
 
 /*
@@ -1372,7 +1367,6 @@ static int cosa_dma_able(struct channel_data *chan, char *buf, int len)
 	return 1;
 }
 
-
 /* ---------- The SRP/COSA ROM monitor functions ---------- */
 
 /*
@@ -1422,7 +1416,6 @@ static int download(struct cosa_data *cosa, const char __user *microcode, int le
 	return 0;
 }
 
-
 /*
  * Starting microcode is done via the "g" command of the SRP monitor.
  * The chat should be the following: "g" "g=" "<addr><CR>"
@@ -1537,7 +1530,6 @@ static int cosa_reset_and_read_id(struct cosa_data *cosa, char *idstring)
 	return id;
 }
 
-
 /* ---------- Auxiliary routines for COSA/SRP monitor ---------- */
 
 /*
@@ -1623,7 +1615,6 @@ static int puthexnumber(struct cosa_data *cosa, int number)
 	return 0;
 }
 
-
 /* ---------- Interrupt routines ---------- */
 
 /*
@@ -1968,7 +1959,6 @@ static irqreturn_t cosa_interrupt(int irq, void *cosa_)
 	return IRQ_HANDLED;
 }
 
-
 /* ---------- I/O debugging routines ---------- */
 /*
  * These routines can be used to monitor COSA/SRP I/O and to printk()