RE: [PATCH net,v4, 2/3] hv_netvsc: Fix race of register_netdevice_notifier and VF register
From: Dexuan Cui <decui@microsoft.com>
Date: 2023-11-13 02:56:07
Also in:
lkml, netdev, stable
From: LKML haiyangz <redacted> On Behalf Of Haiyang Zhang
Sent: Friday, November 10, 2023 9:39 AM
[...]
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 <redacted>Reviewed-by: Dexuan Cui <decui@microsoft.com> It's better to post a new version that follows Simon Horman's suggestion, i.e., use a more idiomatic form for the error path.