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 20435b5ce5efb532680528dc853f333d32e9c6d6..b892f2cf5f9ef1bd2ed7acf8197c4ceece3ec4c3 100644 (file)
--- 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;
        }