virtio: Replace unsigned with unsigned int

This patch addresses the checkpatch.pl warning where unsigned int is
preferred over unsigned.

Signed-off-by: Solomon Tan <solomonbstoner@protonmail.ch>
Message-Id: <YlzS49Wo8JMDhKOt@ArchDesktop>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index f4c34a2..b9737da 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -27,7 +27,7 @@
  * multiple balloon pages.  All memory counters in this driver are in balloon
  * page units.
  */
-#define VIRTIO_BALLOON_PAGES_PER_PAGE (unsigned)(PAGE_SIZE >> VIRTIO_BALLOON_PFN_SHIFT)
+#define VIRTIO_BALLOON_PAGES_PER_PAGE (unsigned int)(PAGE_SIZE >> VIRTIO_BALLOON_PFN_SHIFT)
 #define VIRTIO_BALLOON_ARRAY_PFNS_MAX 256
 /* Maximum number of (4k) pages to deflate on OOM notifications. */
 #define VIRTIO_BALLOON_OOM_NR_PAGES 256
@@ -208,10 +208,10 @@ static void set_page_pfns(struct virtio_balloon *vb,
 					  page_to_balloon_pfn(page) + i);
 }
 
-static unsigned fill_balloon(struct virtio_balloon *vb, size_t num)
+static unsigned int fill_balloon(struct virtio_balloon *vb, size_t num)
 {
-	unsigned num_allocated_pages;
-	unsigned num_pfns;
+	unsigned int num_allocated_pages;
+	unsigned int num_pfns;
 	struct page *page;
 	LIST_HEAD(pages);
 
@@ -272,9 +272,9 @@ static void release_pages_balloon(struct virtio_balloon *vb,
 	}
 }
 
-static unsigned leak_balloon(struct virtio_balloon *vb, size_t num)
+static unsigned int leak_balloon(struct virtio_balloon *vb, size_t num)
 {
-	unsigned num_freed_pages;
+	unsigned int num_freed_pages;
 	struct page *page;
 	struct balloon_dev_info *vb_dev_info = &vb->vb_dev_info;
 	LIST_HEAD(pages);