[kraxel:drm-virtio-buffers 3/3] drivers/gpu/drm/virtio/virtio-buffers.c:48:21: sparse: sparse: restricted __le32 degrades to integer

[kraxel:drm-virtio-buffers 3/3] drivers/gpu/drm/virtio/virtio-buffers.c:48:21: sparse: sparse: restricted __le32 degrades to integer

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1568 bytes --]

tree:   git://git.kraxel.org/linux drm-virtio-buffers
head:   45c447e91f0c14344e0552dd72a65201673ff19b
commit: 45c447e91f0c14344e0552dd72a65201673ff19b [3/3] [wip] virtio-buffers: guest driver
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-131-g22978b6b-dirty
        git checkout 45c447e91f0c14344e0552dd72a65201673ff19b
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/virtio/virtio-buffers.c:48:21: sparse: sparse: restricted __le32 degrades to integer
>> drivers/gpu/drm/virtio/virtio-buffers.c:41:6: sparse: sparse: symbol 'virtbufs_ctrl_ack' was not declared. Should it be static?

Please review and possibly fold the followup patch.

vim +48 drivers/gpu/drm/virtio/virtio-buffers.c

    40	
  > 41	void virtbufs_ctrl_ack(struct virtqueue *vq)
    42	{
    43		// struct virtbufs_device *vb = vq->vdev->priv;
    44		struct virtbufs_request *req;
    45		int length;
    46	
    47		req = virtqueue_get_buf(vq, &length);
  > 48		if (req->rsp.response != VIRTIO_BUFFERS_RSP_OK)
    49			DRM_ERROR("command 0x%04x -> error 0x%4x\n",
    50				  req->cmd.command, req->rsp.response);
    51		kfree(req);
    52	}
    53	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

[RFC PATCH kraxel] [wip] virtio-buffers: virtbufs_ctrl_ack() can be static

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 742 bytes --]


Fixes: 45c447e91f0c ("[wip] virtio-buffers: guest driver")
Signed-off-by: kbuild test robot <lkp@intel.com>
---
 virtio-buffers.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtio-buffers.c b/drivers/gpu/drm/virtio/virtio-buffers.c
index 58ef2ddccf6f2..f091084b20e4c 100644
--- a/drivers/gpu/drm/virtio/virtio-buffers.c
+++ b/drivers/gpu/drm/virtio/virtio-buffers.c
@@ -38,7 +38,7 @@ struct virtbufs_request {
 
 /* ------------------------------------------------------------------ */
 
-void virtbufs_ctrl_ack(struct virtqueue *vq)
+static void virtbufs_ctrl_ack(struct virtqueue *vq)
 {
 	// struct virtbufs_device *vb = vq->vdev->priv;
 	struct virtbufs_request *req;