1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 27dd56334345..0d3454f4adb0 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -6,6 +6,7 @@
 
 #include <linux/slab.h>
 #include <linux/kernel.h>
+#include <linux/cleanup.h>
 #include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
@@ -39,27 +40,24 @@ struct dmaengine_buffer {
 	size_t max_size;
 };
 
-static struct dmaengine_buffer *iio_buffer_to_dmaengine_buffer(
-		struct iio_buffer *buffer)
+static struct dmaengine_buffer *iio_buffer_to_dmaengine_buffer(struct iio_buffer *buffer)
 {
 	return container_of(buffer, struct dmaengine_buffer, queue.buffer);
 }
 
 static void iio_dmaengine_buffer_block_done(void *data,
-		const struct dmaengine_result *result)
+					    const struct dmaengine_result *result)
 {
 	struct iio_dma_buffer_block *block = data;
-	unsigned long flags;
 
-	spin_lock_irqsave(&block->queue->list_lock, flags);
-	list_del(&block->head);
-	spin_unlock_irqrestore(&block->queue->list_lock, flags);
+	scoped_guard(spinlock_irqsave, &block->queue->list_lock)
+		list_del(&block->head);
 	block->bytes_used -= result->residue;
 	iio_dma_buffer_block_done(block);
 }
 
 static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue,
-	struct iio_dma_buffer_block *block)
+					     struct iio_dma_buffer_block *block)
 {
 	struct dmaengine_buffer *dmaengine_buffer =
 		iio_buffer_to_dmaengine_buffer(&queue->buffer);
@@ -131,9 +129,8 @@ static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue,
 	if (dma_submit_error(cookie))
 		return dma_submit_error(cookie);
 
-	spin_lock_irq(&dmaengine_buffer->queue.list_lock);
-	list_add_tail(&block->head, &dmaengine_buffer->active);
-	spin_unlock_irq(&dmaengine_buffer->queue.list_lock);
+	scoped_guard(spinlock_irq, &dmaengine_buffer->queue.list_lock)
+		list_add_tail(&block->head, &dmaengine_buffer->active);
 
 	dma_async_issue_pending(dmaengine_buffer->chan);
 
@@ -189,7 +186,7 @@ static const struct iio_dma_buffer_ops iio_dmaengine_default_ops = {
 };
 
 static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,
-	struct device_attribute *attr, char *buf)
+						     struct device_attribute *attr, char *buf)
 {
 	struct iio_buffer *buffer = to_iio_dev_attr(attr)->buffer;
 	struct dmaengine_buffer *dmaengine_buffer =
@@ -248,7 +245,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct dma_chan *chan)
 	dmaengine_buffer->max_size = dma_get_max_seg_size(chan->device->dev);
 
 	iio_dma_buffer_init(&dmaengine_buffer->queue, chan->device->dev,
-		&iio_dmaengine_default_ops);
+			    &iio_dmaengine_default_ops);
 
 	dmaengine_buffer->queue.buffer.attrs = iio_dmaengine_buffer_attrs;
 	dmaengine_buffer->queue.buffer.access = &iio_dmaengine_buffer_ops;