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virtio_ring: mark vring_dma_dev inline

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This inline function is unused on configurations
where dma_map/unmap are empty macros.

Make the function inline to avoid gcc errors because
of an unused static function.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2016-10-31 00:38:21 +02:00
parent 678ff27d25
commit 75bfa81bf0
1 changed files with 1 additions and 1 deletions
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2
drivers/virtio/virtio_ring.c
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@ -167,7 +167,7 @@ static bool vring_use_dma_api(struct virtio_device *vdev)
* making all of the arch DMA ops work on the vring device itself * making all of the arch DMA ops work on the vring device itself
* is a mess. For now, we use the parent device for DMA ops. * is a mess. For now, we use the parent device for DMA ops.
*/ */
static struct device *vring_dma_dev(const struct vring_virtqueue *vq) static inline struct device *vring_dma_dev(const struct vring_virtqueue *vq)
{ {
return vq->vq.vdev->dev.parent; return vq->vq.vdev->dev.parent;
} }