diff options
| author |   Stephen Hemminger <stephen@networkplumber.org> | 2018-03-02 13:49:04 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-03-04 22:18:20 -0500 |
| commit | a7483ec0267c69b34e818738da60b392623da94b (patch) | |
| tree | 3d60899b6580efe961b818312cf09dbb5afe6d16 /drivers | |
| parent | hv_netvsc: fix error unwind handling if vmbus_open fails (diff) | |
| download | linux-dev-a7483ec0267c69b34e818738da60b392623da94b.tar.xz linux-dev-a7483ec0267c69b34e818738da60b392623da94b.zip | |
hv_netvsc: cancel subchannel setup before halting device
Block setup of multiple channels earlier in the teardown
process. This avoids possible races between halt and subchannel
initialization.
Suggested-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index c3ca191fea7f..1cba767c6453 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -1340,6 +1340,9 @@ void rndis_filter_device_remove(struct hv_device *dev, { struct rndis_device *rndis_dev = net_dev->extension; + /* Don't try and setup sub channels if about to halt */ + cancel_work_sync(&net_dev->subchan_work); + /* Halt and release the rndis device */ rndis_filter_halt_device(rndis_dev); |