From: Cristina Opriceana <cristina.opriceana@gmail.com>
Date: Tue, 31 Mar 2015 09:51:38 +0000 (+0300)
Subject: Staging: iio: iio_simple_dummy: Remove explicit NULL comparison
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8f94c31feeba8b872ed18d075b57de5d04575d05;p=linux-beck.git

Staging: iio: iio_simple_dummy: Remove explicit NULL comparison

This patch removes explicit NULL comparison and writes it in its
simpler form. Done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index 8341dce82f10..b47bf9fb64be 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -588,7 +588,7 @@ static int iio_dummy_probe(int index)
 	 * for chip specific state information.
 	 */
 	indio_dev = iio_device_alloc(sizeof(*st));
-	if (indio_dev == NULL) {
+	if (!indio_dev) {
 		ret = -ENOMEM;
 		goto error_ret;
 	}
diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c
index 360a4c980722..a651b8922d0a 100644
--- a/drivers/staging/iio/iio_simple_dummy_buffer.c
+++ b/drivers/staging/iio/iio_simple_dummy_buffer.c
@@ -50,7 +50,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
 	u16 *data;
 
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
-	if (data == NULL)
+	if (!data)
 		goto done;
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) {
@@ -122,7 +122,7 @@ int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev)
 
 	/* Allocate a buffer to use - here a kfifo */
 	buffer = iio_kfifo_allocate();
-	if (buffer == NULL) {
+	if (!buffer) {
 		ret = -ENOMEM;
 		goto error_ret;
 	}
@@ -161,7 +161,7 @@ int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev)
 						 "iio_simple_dummy_consumer%d",
 						 indio_dev->id);
 
-	if (indio_dev->pollfunc == NULL) {
+	if (!indio_dev->pollfunc) {
 		ret = -ENOMEM;
 		goto error_free_buffer;
 	}