virtio: Reduce scope of variable

As cppcheck points out, the 'min' variable in vu_log_queue_fill() can have
its scope reduced.  Do so.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/virtio.c b/virtio.c
index b283de6..d7016cc 100644
--- a/virtio.c
+++ b/virtio.c
@@ -630,9 +630,9 @@ static void vu_log_queue_fill(const struct vu_dev *vdev, struct vu_virtq *vq,
 {
 	struct vring_desc desc_buf[VIRTQUEUE_MAX_SIZE];
 	struct vring_desc *desc = vq->vring.desc;
-	unsigned int max, min;
 	unsigned num_bufs = 0;
 	uint64_t read_len;
+	unsigned int max;
 
 	if (!vdev->log_table || !len || !vu_has_feature(vdev, VHOST_F_LOG_ALL))
 		return;
@@ -672,7 +672,7 @@ static void vu_log_queue_fill(const struct vu_dev *vdev, struct vu_virtq *vq,
 			die("Looped descriptor");
 
 		if (le16toh(desc[index].flags) & VRING_DESC_F_WRITE) {
-			min = MIN(le32toh(desc[index].len), len);
+			unsigned min = MIN(le32toh(desc[index].len), len);
 			vu_log_write(vdev, le64toh(desc[index].addr), min);
 			len -= min;
 		}