[PATCH 1/1] Drivers: net: hyperv: Cleanup netvsc_change_mtu ()

[K . Y . Srinivasan]

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
 drivers/net/hyperv/netvsc_drv.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index a9c5eaa..485f5b7 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -696,6 +696,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
        struct netvsc_device *nvdev = hv_get_drvdata(hdev);
        struct netvsc_device_info device_info;
        int limit = ETH_DATA_LEN;
+       int ret;

        if (nvdev == NULL || nvdev->destroy)
                return -ENODEV;
@@ -716,7 +717,9 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
        ndevctx->device_ctx = hdev;
        hv_set_drvdata(hdev, ndev);
        device_info.ring_size = ring_size;
-       rndis_filter_device_add(hdev, &device_info);
+       ret = rndis_filter_device_add(hdev, &device_info);
+       if (ret)
+               return ret;
        netif_tx_wake_all_queues(ndev);

        return 0;
--
1.7.4.1
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