linux-kernel - [PATCH v2 01/24] virtio_balloon: fix sparse warning

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Message-ID: <20200803205814.540410-2-mst@redhat.com>
Date:   Mon, 3 Aug 2020 16:58:38 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>,
        David Hildenbrand <david@...hat.com>
Subject: [PATCH v2 01/24] virtio_balloon: fix sparse warning

balloon uses virtio32_to_cpu instead of cpu_to_virtio32
to convert a native endian number to virtio.
No practical difference but makes sparse warn.
Fix it up.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 drivers/virtio/virtio_balloon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 54fd989f9353..8bc1704ffdf3 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -600,7 +600,7 @@ static int send_cmd_id_start(struct virtio_balloon *vb)
 	while (virtqueue_get_buf(vq, &unused))
 		;
 
-	vb->cmd_id_active = virtio32_to_cpu(vb->vdev,
+	vb->cmd_id_active = cpu_to_virtio32(vb->vdev,
 					virtio_balloon_cmd_id_received(vb));
 	sg_init_one(&sg, &vb->cmd_id_active, sizeof(vb->cmd_id_active));
 	err = virtqueue_add_outbuf(vq, &sg, 1, &vb->cmd_id_active, GFP_KERNEL);
-- 
MST