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bonding: re-evaluate force_primary when the primary slave name changes 

[ Upstream commit eb55bbf865 ]

There is a timing issue under active-standy mode, when bond_enslave() is
called, bond->params.primary might not be initialized yet.

Any time the primary slave string changes, bond->force_primary should be
set to true to make sure the primary becomes the active slave.

Signed-off-by: Xiangning Yu <yuxiangning@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Xiangning Yu 2018-06-07 13:39:59 +08:00 committed by Greg Kroah-Hartman
parent 33445c07cd
commit 584b975af0
1 changed files with 1 additions and 0 deletions
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1
drivers/net/bonding/bond_options.c
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@ -1142,6 +1142,7 @@ static int bond_option_primary_set(struct bonding *bond,
slave->dev->name);
rcu_assign_pointer(bond->primary_slave, slave);
strcpy(bond->params.primary, slave->dev->name);
bond->force_primary = true;
bond_select_active_slave(bond);
goto out;
}