Commit 0c7eaf59 authored by Felipe Franciosi's avatar Felipe Franciosi Committed by Michael S. Tsirkin

virtio_ring: fix description of virtqueue_get_buf

The device (not the driver) populates the used ring and includes the len
of how much data was written.
Signed-off-by: default avatarFelipe Franciosi <>
Signed-off-by: Michael S. Tsirkin's avatarMichael S. Tsirkin <>
parent b9fd06d0
......@@ -649,7 +649,7 @@ static inline bool more_used(const struct vring_virtqueue *vq)
* @vq: the struct virtqueue we're talking about.
* @len: the length written into the buffer
* If the driver wrote data into the buffer, @len will be set to the
* If the device wrote data into the buffer, @len will be set to the
* amount written. This means you don't need to clear the buffer
* beforehand to ensure there's no data leakage in the case of short
* writes.
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