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author | stephen hemminger <stephen@networkplumber.org> | 2017-07-19 11:53:18 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-07-19 22:20:05 -0700 |
commit | 35fbbccfb417385c1c8cc6f799154ea1ebdc22ef (patch) | |
tree | df956c396785926a4d78f4075fdfbd004e93f3a0 /drivers/net/hyperv/hyperv_net.h | |
parent | 2a926f791211b40ba114f45e0e7bfefd2fac5d30 (diff) | |
download | linux-stable-35fbbccfb417385c1c8cc6f799154ea1ebdc22ef.tar.gz linux-stable-35fbbccfb417385c1c8cc6f799154ea1ebdc22ef.tar.bz2 linux-stable-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; |