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authorstephen hemminger <stephen@networkplumber.org>2017-07-19 20:53:13 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-20 07:20:05 +0200
commit79e8cbe7a789a0863cc6cd874872b4dd63ec5947 (patch)
tree742a12f0c68a5dbaff3e051f806dd1ca3effe4fe /drivers/net/hyperv/netvsc.c
parentnetvsc: force link update after MTU change (diff)
downloadlinux-79e8cbe7a789a0863cc6cd874872b4dd63ec5947.tar.xz
linux-79e8cbe7a789a0863cc6cd874872b4dd63ec5947.zip
netvsc: add some rtnl_dereference annotations
In a couple places RTNL is held, and the netvsc_device pointer is acquired without annotation. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/netvsc.c')
-rw-r--r--drivers/net/hyperv/netvsc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 0a9167dd72fb..e202ec5d6f63 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -41,7 +41,7 @@ void netvsc_switch_datapath(struct net_device *ndev, bool vf)
{
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct hv_device *dev = net_device_ctx->device_ctx;
- struct netvsc_device *nv_dev = net_device_ctx->nvdev;
+ struct netvsc_device *nv_dev = rtnl_dereference(net_device_ctx->nvdev);
struct nvsp_message *init_pkt = &nv_dev->channel_init_pkt;
memset(init_pkt, 0, sizeof(struct nvsp_message));
@@ -549,7 +549,8 @@ void netvsc_device_remove(struct hv_device *device)
{
struct net_device *ndev = hv_get_drvdata(device);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
- struct netvsc_device *net_device = net_device_ctx->nvdev;
+ struct netvsc_device *net_device
+ = rtnl_dereference(net_device_ctx->nvdev);
int i;
netvsc_disconnect_vsp(device);