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Groups > linux.kernel > #1521692

[PATCH] virtio_ring: fix description of virtqueue_get_buf

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The device (not the driver) populates the used ring and includes the len
of how much data was written.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
---
 drivers/virtio/virtio_ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 489bfc6..8a0d6a9 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -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.
-- 
1.9.4

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[PATCH] virtio_ring: fix description of virtqueue_get_buf Felipe Franciosi <felipe@nutanix.com> - 2016-11-14 15:30 +0100
  Re: [PATCH] virtio_ring: fix description of virtqueue_get_buf Jason Wang <jasowang@redhat.com> - 2016-11-15 04:30 +0100

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