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 8341dce..b47bf9f 100644 (file)
--- 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 360a4c9..a651b89 100644 (file)
--- 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;
        }