netdev - [PATCH V2 1/6] vhost_net: make vhost_zerocopy_signal

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Date:	Fri, 30 Aug 2013 12:29:17 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	mst@...hat.com, kvm@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Jason Wang <jasowang@...hat.com>
Subject: [PATCH V2 1/6] vhost_net: make vhost_zerocopy_signal_used() returns void

None of its caller use its return value, so let it return void.

Signed-off-by: Jason Wang <jasowang@...hat.com>
---
 drivers/vhost/net.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 969a859..280ee66 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -276,8 +276,8 @@ static void copy_iovec_hdr(const struct iovec *from, struct iovec *to,
  * of used idx. Once lower device DMA done contiguously, we will signal KVM
  * guest used idx.
  */
-static int vhost_zerocopy_signal_used(struct vhost_net *net,
-				      struct vhost_virtqueue *vq)
+static void vhost_zerocopy_signal_used(struct vhost_net *net,
+				       struct vhost_virtqueue *vq)
 {
 	struct vhost_net_virtqueue *nvq =
 		container_of(vq, struct vhost_net_virtqueue, vq);
@@ -297,7 +297,6 @@ static int vhost_zerocopy_signal_used(struct vhost_net *net,
 	}
 	if (j)
 		nvq->done_idx = i;
-	return j;
 }
 
 static void vhost_zerocopy_callback(struct ubuf_info *ubuf, bool success)
-- 
1.7.1

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