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mirror_ubuntu-kernels/drivers/net/bonding
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Xin Long ddea788c63 bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave 
After Commit 8a8efa22f5 ("bonding: sync netpoll code with bridge"), it
would set slave_dev npinfo in slave_enable_netpoll when enslaving a dev
if bond->dev->npinfo was set.

However now slave_dev npinfo is set with bond->dev->npinfo before calling
slave_enable_netpoll. With slave_dev npinfo set, __netpoll_setup called
in slave_enable_netpoll will not call slave dev's .ndo_netpoll_setup().
It causes that the lower dev of this slave dev can't set its npinfo.

One way to reproduce it:

  # modprobe bonding
  # brctl addbr br0
  # brctl addif br0 eth1
  # ifconfig bond0 192.168.122.1/24 up
  # ifenslave bond0 eth2
  # systemctl restart netconsole
  # ifenslave bond0 br0
  # ifconfig eth2 down
  # systemctl restart netconsole

The netpoll won't really work.

This patch is to remove that slave_dev npinfo setting in bond_enslave().

Fixes: 8a8efa22f5 ("bonding: sync netpoll code with bridge")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23 11:52:35 -04:00
..
bond_3ad.c networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
bond_alb.c locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
bond_debugfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bond_main.c bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave 2018-04-23 11:52:35 -04:00
bond_netlink.c bonding: use nla_get_u64 to extract the value for IFLA_BOND_AD_ACTOR_SYSTEM 2017-11-28 15:56:40 -05:00
bond_options.c net: bonding: Replace mac address parsing 2017-12-20 12:47:29 -05:00
bond_procfs.c drivers/net: Use octal not symbolic permissions 2018-03-26 12:07:49 -04:00
bond_sysfs_slave.c drivers/net: Use octal not symbolic permissions 2018-03-26 12:07:49 -04:00
bond_sysfs.c drivers/net: Use octal not symbolic permissions 2018-03-26 12:07:49 -04:00
bonding_priv.h net/bonding: Make DRV macros private 2015-04-26 22:59:53 -04:00
Makefile bonding: add sysfs /slave dir for bond slave devices. 2014-01-17 18:51:58 -08:00