diff options
author | Gaurav Kohli <gauravkohli@linux.microsoft.com> | 2022-10-06 07:52:59 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2022-10-07 09:43:58 +0200 |
commit | 365e1ececb2905f94cc10a5817c5b644a32a3ae2 (patch) | |
tree | 7b397b41e30b0e5d4a9c6323acbb192552caf08c /drivers/net/hyperv/hyperv_net.h | |
parent | net: ieee802154: return -EINVAL for unknown addr type (diff) | |
download | linux-365e1ececb2905f94cc10a5817c5b644a32a3ae2.tar.xz linux-365e1ececb2905f94cc10a5817c5b644a32a3ae2.zip |
hv_netvsc: Fix race between VF offering and VF association message from host
During vm boot, there might be possibility that vf registration
call comes before the vf association from host to vm.
And this might break netvsc vf path, To prevent the same block
vf registration until vf bind message comes from host.
Cc: stable@vger.kernel.org
Fixes: 00d7ddba11436 ("hv_netvsc: pair VF based on serial number")
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Gaurav Kohli <gauravkohli@linux.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 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 25b38a374e3c..dd5919ec408b 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -1051,7 +1051,8 @@ struct net_device_context { u32 vf_alloc; /* Serial number of the VF to team with */ u32 vf_serial; - + /* completion variable to confirm vf association */ + struct completion vf_add; /* Is the current data path through the VF NIC? */ bool data_path_is_vf; |