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Date:   Sun,  8 Oct 2017 01:27:05 +0530
From:   Srishti Sharma <srishtishar@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        outreachy-kernel@...glegroups.com,
        Srishti Sharma <srishtishar@...il.com>
Subject: [PATCH v2] Staging: pi433: Fix the position of brace after if

Fix the position of the brace after if when it is on the next line. 
Done using the following semantic patch by coccinelle.

@r1@
position p1, p2;
@@

if(...)@p1 {@p2
...
}

@script: python r2@
p1 << r1.p1;
p2 << r1.p2;
@@

l1 = int (p1[0].line)
l2 = int (p2[0].line)
c1 = int (p1[0].column_end)
c2 = int (p2[0].column)

if l1 == l2 and c1+1 == c2:
        cocci.include_match(False)

@r3@
position r1.p1, r1.p2;
@@

if(...
- )@p1
-{@p2
+) {
...
}

Signed-off-by: Srishti Sharma <srishtishar@...il.com>
---
Changes in v2:
 -Improve commit message.

 drivers/staging/pi433/pi433_if.c | 54 ++++++++++++++--------------------------
 1 file changed, 18 insertions(+), 36 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index d82c74d..d946838 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -285,8 +285,7 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
 	SET_CHECKED(rf69_set_crc_enable	  (dev->spi, tx_cfg->enable_crc));
 
 	/* configure sync, if enabled */
-	if (tx_cfg->enable_sync == optionOn)
-	{
+	if (tx_cfg->enable_sync == optionOn) {
 		SET_CHECKED(rf69_set_sync_size(dev->spi, tx_cfg->sync_length));
 		SET_CHECKED(rf69_set_sync_values(dev->spi, tx_cfg->sync_pattern));
 	}
@@ -408,8 +407,7 @@ pi433_receive(void *data)
 		if (retval) goto abort; /* wait was interrupted */
 
 		rf69_read_fifo(spi, (u8 *)&bytes_total, 1);
-		if (bytes_total > dev->rx_buffer_size)
-		{
+		if (bytes_total > dev->rx_buffer_size) {
 			retval = -1;
 			goto abort;
 		}
@@ -509,16 +507,14 @@ pi433_tx_thread(void *data)
 		mutex_lock(&device->tx_fifo_lock);
 
 		retval = kfifo_out(&device->tx_fifo, &tx_cfg, sizeof(tx_cfg));
-		if (retval != sizeof(tx_cfg))
-		{
+		if (retval != sizeof(tx_cfg)) {
 			dev_dbg(device->dev, "reading tx_cfg from fifo failed: got %d byte(s), expected %d", retval, (unsigned int)sizeof(tx_cfg) );
 			mutex_unlock(&device->tx_fifo_lock);
 			continue;
 		}
 
 		retval = kfifo_out(&device->tx_fifo, &size, sizeof(size_t));
-		if (retval != sizeof(size_t))
-		{
+		if (retval != sizeof(size_t)) {
 			dev_dbg(device->dev, "reading msg size from fifo failed: got %d, expected %d", retval, (unsigned int)sizeof(size_t) );
 			mutex_unlock(&device->tx_fifo_lock);
 			continue;
@@ -650,8 +646,7 @@ pi433_tx_thread(void *data)
 		SET_CHECKED(rf69_set_mode(spi, standby));
 
 		/* everything sent? */
-		if ( kfifo_is_empty(&device->tx_fifo) )
-		{
+		if (kfifo_is_empty(&device->tx_fifo)) {
 abort:
 			if (rx_interrupted)
 			{
@@ -705,8 +700,7 @@ pi433_read(struct file *filp, char __user *buf, size_t size, loff_t *f_pos)
 	mutex_unlock(&device->rx_lock);
 
 	/* if read was successful copy to user space*/
-	if (bytes_received > 0)
-	{
+	if (bytes_received > 0) {
 		retval = copy_to_user(buf, device->rx_buffer, bytes_received);
 		if (retval)
 			return -EFAULT;
@@ -806,8 +800,7 @@ pi433_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	switch (cmd) {
 	case PI433_IOC_RD_TX_CFG:
 		tmp = _IOC_SIZE(cmd);
-		if ( (tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0) )
-		{
+		if ((tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0)) {
 			retval = -EINVAL;
 			break;
 		}
@@ -823,8 +816,7 @@ pi433_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		break;
 	case PI433_IOC_WR_TX_CFG:
 		tmp = _IOC_SIZE(cmd);
-		if ( (tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0) )
-		{
+		if ((tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0)) {
 			retval = -EINVAL;
 			break;
 		}
@@ -917,8 +909,7 @@ static int pi433_open(struct inode *inode, struct file *filp)
 
 	if (!device->rx_buffer) {
 		device->rx_buffer = kmalloc(MAX_MSG_SIZE, GFP_KERNEL);
-		if (!device->rx_buffer)
-		{
+		if (!device->rx_buffer) {
 			dev_dbg(device->dev, "open/ENOMEM\n");
 			return -ENOMEM;
 		}
@@ -926,8 +917,7 @@ static int pi433_open(struct inode *inode, struct file *filp)
 
 	device->users++;
 	instance = kzalloc(sizeof(*instance), GFP_KERNEL);
-	if (!instance)
-	{
+	if (!instance) {
 		kfree(device->rx_buffer);
 		device->rx_buffer = NULL;
 		return -ENOMEM;
@@ -987,8 +977,7 @@ static int setup_GPIOs(struct pi433_device *device)
 		snprintf(name, sizeof(name), "DIO%d", i);
 		device->gpiod[i] = gpiod_get(&device->spi->dev, name, 0 /*GPIOD_IN*/);
 
-		if (device->gpiod[i] == ERR_PTR(-ENOENT))
-		{
+		if (device->gpiod[i] == ERR_PTR(-ENOENT)) {
 			dev_dbg(&device->spi->dev, "Could not find entry for %s. Ignoring.", name);
 			continue;
 		}
@@ -1017,8 +1006,7 @@ static int setup_GPIOs(struct pi433_device *device)
 
 		/* configure irq */
 		device->irq_num[i] = gpiod_to_irq(device->gpiod[i]);
-		if (device->irq_num[i] < 0)
-		{
+		if (device->irq_num[i] < 0) {
 			device->gpiod[i] = ERR_PTR(-EINVAL);//(struct gpio_desc *)device->irq_num[i];
 			return device->irq_num[i];
 		}
@@ -1157,8 +1145,7 @@ static int pi433_probe(struct spi_device *spi)
 
 	/* setup GPIO (including irq_handler) for the different DIOs */
 	retval = setup_GPIOs(device);
-	if (retval)
-	{
+	if (retval) {
 		dev_dbg(&spi->dev, "setup of GPIOs failed");
 		goto GPIO_failed;
 	}
@@ -1176,16 +1163,14 @@ static int pi433_probe(struct spi_device *spi)
 	device->tx_task_struct = kthread_run(pi433_tx_thread,
 					     device,
 					     "pi433_tx_task");
-	if (IS_ERR(device->tx_task_struct))
-	{
+	if (IS_ERR(device->tx_task_struct)) {
 		dev_dbg(device->dev, "start of send thread failed");
 		goto send_thread_failed;
 	}
 
 	/* determ minor number */
 	retval = pi433_get_minor(device);
-	if (retval)
-	{
+	if (retval) {
 		dev_dbg(device->dev, "get of minor number failed");
 		goto minor_failed;
 	}
@@ -1214,8 +1199,7 @@ static int pi433_probe(struct spi_device *spi)
 	device->cdev->owner = THIS_MODULE;
 	cdev_init(device->cdev, &pi433_fops);
 	retval = cdev_add(device->cdev, device->devt, 1);
-	if (retval)
-	{
+	if (retval) {
 		dev_dbg(device->dev, "register of cdev failed");
 		goto cdev_failed;
 	}
@@ -1307,15 +1291,13 @@ static int __init pi433_init(void)
 		return status;
 
 	pi433_class = class_create(THIS_MODULE, "pi433");
-	if (IS_ERR(pi433_class))
-	{
+	if (IS_ERR(pi433_class)) {
 		unregister_chrdev(MAJOR(pi433_dev), pi433_spi_driver.driver.name);
 		return PTR_ERR(pi433_class);
 	}
 
 	status = spi_register_driver(&pi433_spi_driver);
-	if (status < 0)
-	{
+	if (status < 0) {
 		class_destroy(pi433_class);
 		unregister_chrdev(MAJOR(pi433_dev), pi433_spi_driver.driver.name);
 	}
-- 
2.7.4

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