diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 89527af8f4c5..a90050271204 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -93,8 +93,7 @@ static int lis3l02dq_read_all(struct iio_dev *indio_dev, u8 *rx_array)
 	struct spi_message msg;
 	int ret, i, j = 0;
 
-	xfers = kzalloc((buffer->scan_count) * 2
-			* sizeof(*xfers), GFP_KERNEL);
+	xfers = kcalloc((buffer->scan_count) * 2, sizeof(*xfers), GFP_KERNEL);
 	if (!xfers)
 		return -ENOMEM;
 
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 1af4194bbd83..f70bff247857 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -488,8 +488,8 @@ static int ad7280_channel_init(struct ad7280_state *st)
 {
 	int dev, ch, cnt;
 
-	st->channels = kzalloc(sizeof(*st->channels) *
-				((st->slave_num + 1) * 12 + 2), GFP_KERNEL);
+	st->channels = kcalloc((st->slave_num + 1) * 12 + 2,
+			       sizeof(*st->channels), GFP_KERNEL);
 	if (st->channels == NULL)
 		return -ENOMEM;
 
@@ -683,7 +683,7 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
 	unsigned *channels;
 	int i, ret;
 
-	channels = kzalloc(sizeof(*channels) * st->scan_cnt, GFP_KERNEL);
+	channels = kcalloc(st->scan_cnt, sizeof(*channels), GFP_KERNEL);
 	if (channels == NULL)
 		return IRQ_HANDLED;
 
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index 228f991d40ec..e3a94572bb40 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -518,7 +518,8 @@ static __init int iio_dummy_init(void)
 		return -EINVAL;
 	}
 	/* Fake a bus */
-	iio_dummy_devs = kzalloc(sizeof(*iio_dummy_devs)*instances, GFP_KERNEL);
+	iio_dummy_devs = kcalloc(instances, sizeof(*iio_dummy_devs),
+				 GFP_KERNEL);
 	/* Here we have no actual device so call probe */
 	for (i = 0; i < instances; i++) {
 		ret = iio_dummy_probe(i);
diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c
index f757bb78d88e..8c5598081b60 100644
--- 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;
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 55c0b4880f8e..d8cd9e3c07a6 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -669,10 +669,9 @@ static int iio_device_register_sysfs(struct iio_dev *indio_dev)
 	if (indio_dev->name)
 		attrcount++;
 
-	indio_dev->chan_attr_group.attrs
-		= kzalloc(sizeof(indio_dev->chan_attr_group.attrs[0])*
-			  (attrcount + 1),
-			  GFP_KERNEL);
+	indio_dev->chan_attr_group.attrs = kcalloc(attrcount + 1,
+						   sizeof(indio_dev->chan_attr_group.attrs[0]),
+						   GFP_KERNEL);
 	if (indio_dev->chan_attr_group.attrs == NULL) {
 		ret = -ENOMEM;
 		goto error_clear_attrs;
@@ -965,10 +964,9 @@ static int iio_device_register_eventset(struct iio_dev *indio_dev)
 	}
 
 	indio_dev->event_interface->group.name = iio_event_group_name;
-	indio_dev->event_interface->group.attrs =
-		kzalloc(sizeof(indio_dev->event_interface->group.attrs[0])
-			*(attrcount + 1),
-			GFP_KERNEL);
+	indio_dev->event_interface->group.attrs = kcalloc(attrcount + 1,
+							  sizeof(indio_dev->event_interface->group.attrs[0]),
+							  GFP_KERNEL);
 	if (indio_dev->event_interface->group.attrs == NULL) {
 		ret = -ENOMEM;
 		goto error_free_setup_event_lines;
diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
index 348df974dfe9..9dc881f59bd8 100644
--- a/drivers/staging/iio/meter/ade7758_core.c
+++ b/drivers/staging/iio/meter/ade7758_core.c
@@ -746,12 +746,12 @@ static int __devinit ade7758_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, indio_dev);
 
 	/* Allocate the comms buffers */
-	st->rx = kzalloc(sizeof(*st->rx)*ADE7758_MAX_RX, GFP_KERNEL);
+	st->rx = kcalloc(ADE7758_MAX_RX, sizeof(*st->rx), GFP_KERNEL);
 	if (st->rx == NULL) {
 		ret = -ENOMEM;
 		goto error_free_dev;
 	}
-	st->tx = kzalloc(sizeof(*st->tx)*ADE7758_MAX_TX, GFP_KERNEL);
+	st->tx = kcalloc(ADE7758_MAX_TX, sizeof(*st->tx), GFP_KERNEL);
 	if (st->tx == NULL) {
 		ret = -ENOMEM;
 		goto error_free_rx;