diff options
| -rw-r--r-- | drivers/char/hw_random/virtio-rng.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index dd998f4fe4f2..eb80a031c7be 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -11,6 +11,7 @@ #include <linux/spinlock.h> #include <linux/virtio.h> #include <linux/virtio_rng.h> +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/slab.h> @@ -28,11 +29,13 @@ struct virtrng_info { unsigned int data_avail; unsigned int data_idx; /* minimal size returned by rng_buffer_size() */ + __dma_from_device_group_begin(); #if SMP_CACHE_BYTES < 32 u8 data[32]; #else u8 data[SMP_CACHE_BYTES]; #endif + __dma_from_device_group_end(); }; static void random_recv_done(struct virtqueue *vq) |