From: Cristina Opriceana <cristina.opriceana@gmail.com>
Date: Tue, 31 Mar 2015 10:04:29 +0000 (+0300)
Subject: Staging: iio: accel: Remove explicit NULL comparison
X-Git-Tag: v4.1-rc1~152^2~138^2~30
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=aa5587f3cb9fde2db852b5549ee561198aa95748;p=karo-tx-linux.git

Staging: iio: accel: Remove explicit NULL comparison

This patch removes explicit NULL comparison and writes it in its
equivalent shorter 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/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 20435b5ce5ef..b892f2cf5f9e 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -119,7 +119,7 @@ static int lis3l02dq_get_buffer_element(struct iio_dev *indio_dev,
 				       indio_dev->masklength);
 
 	rx_array = kcalloc(4, scan_count, GFP_KERNEL);
-	if (rx_array == NULL)
+	if (!rx_array)
 		return -ENOMEM;
 	ret = lis3l02dq_read_all(indio_dev, rx_array);
 	if (ret < 0) {
@@ -142,7 +142,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p)
 	char *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))
@@ -412,7 +412,7 @@ int lis3l02dq_configure_buffer(struct iio_dev *indio_dev)
 						 "lis3l02dq_consumer%d",
 						 indio_dev->id);
 
-	if (indio_dev->pollfunc == NULL) {
+	if (!indio_dev->pollfunc) {
 		ret = -ENOMEM;
 		goto error_iio_sw_rb_free;
 	}