hv_netvsc: Fix race of register_netdevice_notifier and VF register
authorHaiyang Zhang <haiyangz@microsoft.com>
Sun, 19 Nov 2023 16:23:42 +0000 (08:23 -0800)
committerPaolo Abeni <pabeni@redhat.com>
Tue, 21 Nov 2023 12:15:02 +0000 (13:15 +0100)
commit85520856466ed6bc3b1ccb013cddac70ceb437db
treef9a47a3aa4cf18bdeab31d3c8edab85dda383f6e
parentd30fb712e52964f2cf9a9c14cf67078394044837
hv_netvsc: Fix race of register_netdevice_notifier and VF register

If VF NIC is registered earlier, NETDEV_REGISTER event is replayed,
but NETDEV_POST_INIT is not.

Move register_netdevice_notifier() earlier, so the call back
function is set before probing.

Cc: stable@vger.kernel.org
Fixes: e04e7a7bbd4b ("hv_netvsc: Fix a deadlock by getting rtnl lock earlier in netvsc_probe()")
Reported-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
drivers/net/hyperv/netvsc_drv.c