diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-05-14 15:32:12 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-25 16:17:28 +0200 |
| commit | 99e06589bd5d6631bbea0a5128257bf16dabac9b (patch) | |
| tree | 2c2c12c69029b5b59cc341b264bbe0c3645d4923 /drivers/net/hyperv | |
| parent | 0ed8945b3aa627ef8ec9dda6442b02c91f27bfb4 (diff) | |
hv_netvsc: cancel subchannel setup before halting device
[ Commit a7483ec0267c69b34e818738da60b392623da94b upstream. ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/hyperv')
| -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 05109ed5377c..5a312b2d5a7b 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); |