staging: iio: Use kcalloc instead of kzalloc to allocate array

[firefly-linux-kernel-4.4.55.git] / drivers / staging / iio / industrialio-buffer.c

diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c
index f757bb78d88e649280e0ca2e1efcf224459d9632..8c5598081b608fe6677bb1ff1b1184b46d87ed9b 100644 (file)
--- a/drivers/staging/iio/industrialio-buffer.c
+++ b/drivers/staging/iio/industrialio-buffer.c
@@ -315,10 +315,9 @@ int iio_buffer_register(struct iio_dev *indio_dev,
                        attrcount += ret;
                }
                if (indio_dev->masklength && buffer->scan_mask == NULL) {
-                       buffer->scan_mask
-                               = kzalloc(sizeof(*buffer->scan_mask)*
-                                         BITS_TO_LONGS(indio_dev->masklength),
-                                         GFP_KERNEL);
+                       buffer->scan_mask = kcalloc(BITS_TO_LONGS(indio_dev->masklength),
+                                                   sizeof(*buffer->scan_mask),
+                                                   GFP_KERNEL);
                        if (buffer->scan_mask == NULL) {
                                ret = -ENOMEM;
                                goto error_cleanup_dynamic;
@@ -328,10 +327,9 @@ int iio_buffer_register(struct iio_dev *indio_dev,
 
        buffer->scan_el_group.name = iio_scan_elements_group_name;
 
-       buffer->scan_el_group.attrs
-               = kzalloc(sizeof(buffer->scan_el_group.attrs[0])*
-                         (attrcount + 1),
-                         GFP_KERNEL);
+       buffer->scan_el_group.attrs = kcalloc(attrcount + 1,
+                                             sizeof(buffer->scan_el_group.attrs[0]),
+                                             GFP_KERNEL);
        if (buffer->scan_el_group.attrs == NULL) {
                ret = -ENOMEM;
                goto error_free_scan_mask;