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authorK. Y. Srinivasan <kys@microsoft.com>2011-10-06 17:10:56 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-10-11 04:50:00 (GMT)
commit715a4801e734ea9c8e528265ce3ff6aead85bce1 (patch)
treed6764c425b1b805e78464ce95ae9fbd75d232ed3
parent92ae4ebdaa6d6d083a53421715e5cdc70ab5823e (diff)
downloadlinux-fsl-qoriq-715a4801e734ea9c8e528265ce3ff6aead85bce1.tar.xz
Staging: hv: netvsc: Fix a dereferencing issue
net_dev is being de-referenced without proper checking; fix it. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/staging/hv/rndis_filter.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/hv/rndis_filter.c b/drivers/staging/hv/rndis_filter.c
index ef43f2e..bafccb3 100644
--- a/drivers/staging/hv/rndis_filter.c
+++ b/drivers/staging/hv/rndis_filter.c
@@ -368,11 +368,11 @@ int rndis_filter_receive(struct hv_device *dev,
struct rndis_message *rndis_hdr;
struct net_device *ndev;
- ndev = net_dev->ndev;
-
if (!net_dev)
return -EINVAL;
+ ndev = net_dev->ndev;
+
/* Make sure the rndis device state is initialized */
if (!net_dev->extension) {
netdev_err(ndev, "got rndis message but no rndis device - "