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Date:   Sat, 25 Mar 2017 14:16:53 +0000
From:   Colin King <>
To:     "K . Y . Srinivasan" <>,
        Haiyang Zhang <>,
        Stephen Hemminger <>,,
Subject: [PATCH] netvsc: fix unititialized return value in variable ret

From: Colin Ian King <>

It is possible for an uninitialized value of ret to be returned
so fix this by initializing ret to zero.

Detected by CoverityScan, CID#1420762 ("Uninitialized scalar variable")

Fixes: 163891d7d429 ("netvsc: handle offline mtu and channel change")
Signed-off-by: Colin Ian King <>
 drivers/net/hyperv/netvsc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index eb7ae79d47bb..f830bbbd8ad4 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -855,7 +855,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
 	struct hv_device *hdev = ndevctx->device_ctx;
 	struct netvsc_device_info device_info;
 	bool was_running;
-	int ret;
+	int ret = 0;
 	if (!nvdev || nvdev->destroy)
 		return -ENODEV;

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