Staging: comedi: comedi_buf: Replace 'unsigned' with 'unsigned int'

Fix checkpatch warning:
Prefer 'unsigned int' to bare use of 'unsigned'
in file comedi_buf.c
Signed-off-by: Leslie Klein <lesliebklein@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/comedi_buf.c

@@ -80,14 +80,14 @@ static void __comedi_buf_free(struct comedi_device *dev,
 
 static void __comedi_buf_alloc(struct comedi_device *dev,
 			       struct comedi_subdevice *s,
-			       unsigned n_pages)
+			       unsigned int n_pages)
 {
 	struct comedi_async *async = s->async;
 	struct page **pages = NULL;
 	struct comedi_buf_map *bm;
 	struct comedi_buf_page *buf;
 	unsigned long flags;
-	unsigned i;
+	unsigned int i;
 
 	if (!IS_ENABLED(CONFIG_HAS_DMA) && s->async_dma_dir != DMA_NONE) {
 		dev_err(dev->class_dev,
@@ -208,7 +208,7 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	/* allocate new buffer */
 	if (new_size) {
-		unsigned n_pages = new_size >> PAGE_SHIFT;
+		unsigned int n_pages = new_size >> PAGE_SHIFT;
 
 		__comedi_buf_alloc(dev, s, n_pages);
 
@@ -302,7 +302,7 @@ static unsigned int comedi_buf_munge(struct comedi_subdevice *s,
 {
 	struct comedi_async *async = s->async;
 	unsigned int count = 0;
-	const unsigned num_sample_bytes = comedi_bytes_per_sample(s);
+	const unsigned int num_sample_bytes = comedi_bytes_per_sample(s);
 
 	if (!s->munge || (async->cmd.flags & CMDF_RAWDATA)) {
 		async->munge_count += num_bytes;
@@ -395,7 +395,7 @@ EXPORT_SYMBOL_GPL(comedi_buf_write_free);
 unsigned int comedi_buf_read_n_available(struct comedi_subdevice *s)
 {
 	struct comedi_async *async = s->async;
-	unsigned num_bytes;
+	unsigned int num_bytes;
 
 	if (!async)
 		return 0;