linux-kernel - [PATCH net-next,2/2] hyperv: Add error handling to rndis_filter_device

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Date:	Wed, 25 Jul 2012 11:08:42 -0700
From:	Haiyang Zhang <haiyangz@...rosoft.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Cc:	haiyangz@...rosoft.com, kys@...rosoft.com, olaf@...fle.de,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org
Subject: [PATCH net-next,2/2] hyperv: Add error handling to rndis_filter_device_add()

Reported-by: Jason Wang <jasowang@...hat.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>
---
 drivers/net/hyperv/rndis_filter.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index fbf5394..e5d6146 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -804,18 +804,15 @@ int rndis_filter_device_add(struct hv_device *dev,
 	/* Send the rndis initialization message */
 	ret = rndis_filter_init_device(rndis_device);
 	if (ret != 0) {
-		/*
-		 * TODO: If rndis init failed, we will need to shut down the
-		 * channel
-		 */
+		rndis_filter_device_remove(dev);
+		return ret;
 	}
 
 	/* Get the mac address */
 	ret = rndis_filter_query_device_mac(rndis_device);
 	if (ret != 0) {
-		/*
-		 * TODO: shutdown rndis device and the channel
-		 */
+		rndis_filter_device_remove(dev);
+		return ret;
 	}
 
 	memcpy(device_info->mac_adr, rndis_device->hw_mac_adr, ETH_ALEN);
-- 
1.7.4.1

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