Messages in this thread Patch in this message | | | From | Rusty Russell <> | Subject | [PATCH 2/4] virtio_net: pass well-formed sg to virtqueue_add_inbuf() | Date | Thu, 29 May 2014 16:56:43 +0930 |
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This is the only place which doesn't hand virtqueue_add_inbuf or virtqueue_add_outbuf a well-formed, well-terminated sg. Fix it, so we can make virtio_add_* simpler.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> --- drivers/net/virtio_net.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 8a852b5f215f..63299b04cdf2 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -590,6 +590,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp) offset = sizeof(struct padded_vnet_hdr); sg_set_buf(&rq->sg[1], p + offset, PAGE_SIZE - offset); + sg_mark_end(&rq->sg[MAX_SKB_FRAGS + 2 - 1]); + /* chain first in list head */ first->private = (unsigned long)list; err = virtqueue_add_inbuf(rq->vq, rq->sg, MAX_SKB_FRAGS + 2, -- 1.9.1
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