linux-kernel - [PATCH v6 36/46] vhost/net: suppress compiler warning

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Date:	Thu, 27 Nov 2014 22:10:49 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>, cornelia.huck@...ibm.com,
	rusty@....ibm.com, nab@...ux-iscsi.org, pbonzini@...hat.com,
	thuth@...ux.vnet.ibm.com, dahi@...ux.vnet.ibm.com,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	netdev@...r.kernel.org
Subject: [PATCH v6 36/46] vhost/net: suppress compiler warning

len is always initialized since function is called with size > 0.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 drivers/vhost/net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 984242e..54ffbb0 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -501,7 +501,7 @@ static int get_rx_bufs(struct vhost_virtqueue *vq,
 	int headcount = 0;
 	unsigned d;
 	int r, nlogs = 0;
-	u32 len;
+	u32 uninitialized_var(len);
 
 	while (datalen > 0 && headcount < quota) {
 		if (unlikely(seg >= UIO_MAXIOV)) {
-- 
MST

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