team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves

stable inclusion
from stable-v5.10.192
commit abe68922d77492a46adb5fc22f70729c30c561ed
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I933RF

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=abe68922d77492a46adb5fc22f70729c30c561ed



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[ Upstream commit dafcbce0 ]

Similar to commit 01f4fd27 ("bonding: Fix incorrect deletion of
ETH_P_8021AD protocol vid from slaves"), we can trigger BUG_ON(!vlan_info)
in unregister_vlan_dev() with the following testcase:

  # ip netns add ns1
  # ip netns exec ns1 ip link add team1 type team
  # ip netns exec ns1 ip link add team_slave type veth peer veth2
  # ip netns exec ns1 ip link set team_slave master team1
  # ip netns exec ns1 ip link add link team_slave name team_slave.10 type vlan id 10 protocol 802.1ad
  # ip netns exec ns1 ip link add link team1 name team1.10 type vlan id 10 protocol 802.1ad
  # ip netns exec ns1 ip link set team_slave nomaster
  # ip netns del ns1

Add S-VLAN tag related features support to team driver. So the team driver
will always propagate the VLAN info to its slaves.

Fixes: 8ad227ff ("net: vlan: add 802.1ad support")
Suggested-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230814032301.2804971-1-william.xuanziyang@huawei.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>