diff options
| author | stephen hemminger | 2017-07-19 20:53:18 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-07-20 07:20:05 +0200 |
| commit | 35fbbccfb417385c1c8cc6f799154ea1ebdc22ef (patch) | |
| tree | df956c396785926a4d78f4075fdfbd004e93f3a0 /drivers/net/hyperv/hyperv_net.h | |
| parent | netvsc: need rcu_derefence when accessing internal device info (diff) | |
| download | kernel-qcow2-linux-35fbbccfb417385c1c8cc6f799154ea1ebdc22ef.tar.gz kernel-qcow2-linux-35fbbccfb417385c1c8cc6f799154ea1ebdc22ef.tar.xz kernel-qcow2-linux-35fbbccfb417385c1c8cc6f799154ea1ebdc22ef.zip | |
netvsc: save pointer to parent netvsc_device in channel table
Keep back pointer in the per-channel data structure to
avoid any possible RCU related issues when napi poll is
called but netvsc_device is in RCU limbo.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 0054b6929f6e..d13572879e7e 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -727,6 +727,7 @@ struct net_device_context { /* Per channel data */ struct netvsc_channel { struct vmbus_channel *channel; + struct netvsc_device *net_device; const struct vmpacket_descriptor *desc; struct napi_struct napi; struct multi_send_data msd; |