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path: root/drivers/virtio/virtio_ring.c
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Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 2a972752ff1b..be7309b1e860 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -3121,8 +3121,10 @@ dma_addr_t virtqueue_dma_map_single_attrs(struct virtqueue *_vq, void *ptr,
{
struct vring_virtqueue *vq = to_vvq(_vq);
- if (!vq->use_dma_api)
+ if (!vq->use_dma_api) {
+ kmsan_handle_dma(virt_to_page(ptr), offset_in_page(ptr), size, dir);
return (dma_addr_t)virt_to_phys(ptr);
+ }
return dma_map_single_attrs(vring_dma_dev(vq), ptr, size, dir, attrs);
}
@@ -3244,4 +3246,5 @@ void virtqueue_dma_sync_single_range_for_device(struct virtqueue *_vq,
}
EXPORT_SYMBOL_GPL(virtqueue_dma_sync_single_range_for_device);
+MODULE_DESCRIPTION("Virtio ring implementation");
MODULE_LICENSE("GPL");