diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-03-17 01:44:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-18 03:10:27 +0300 |
| commit | 0e96460e620df7f9a13c352b68b06f02eec3de94 (patch) | |
| tree | 3b71df2471a518457549d0e4449f4d11892a31a6 /drivers/net/hyperv | |
| parent | a3a41d2f9487469364aeafae0f63d39c2e7179fd (diff) | |
| download | linux-0e96460e620df7f9a13c352b68b06f02eec3de94.tar.xz | |
hv_netvsc: pass netvsc_device to rndis halt
The caller has a valid pointer, pass it to rndis_filter_halt_device
and avoid any possible RCU races here.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 8927c483c217..668680abaffb 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -944,12 +944,11 @@ static bool netvsc_device_idle(const struct netvsc_device *nvdev) return true; } -static void rndis_filter_halt_device(struct rndis_device *dev) +static void rndis_filter_halt_device(struct netvsc_device *nvdev, + struct rndis_device *dev) { struct rndis_request *request; struct rndis_halt_request *halt; - struct net_device_context *net_device_ctx = netdev_priv(dev->ndev); - struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); /* Attempt to do a rndis device halt */ request = get_rndis_request(dev, RNDIS_MSG_HALT, @@ -1348,7 +1347,7 @@ void rndis_filter_device_remove(struct hv_device *dev, cancel_work_sync(&net_dev->subchan_work); /* Halt and release the rndis device */ - rndis_filter_halt_device(rndis_dev); + rndis_filter_halt_device(net_dev, rndis_dev); net_dev->extension = NULL; |