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-rw-r--r--include/linux/virtio_config.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 39c88c5ad19..add4790b21f 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -155,6 +155,9 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev,
#define virtio_config_val(vdev, fbit, offset, v) \
virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(*v))
+#define virtio_config_val_len(vdev, fbit, offset, v, len) \
+ virtio_config_buf((vdev), (fbit), (offset), (v), (len))
+
static inline int virtio_config_buf(struct virtio_device *vdev,
unsigned int fbit,
unsigned int offset,