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authorVeaceslav Falico <vfalico@redhat.com>2012-04-05 03:47:43 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-27 09:51:19 -0700
commit53288841cc5e7cb81b5980a46462d8a357bc3387 (patch)
parent9acd6c30514c0801e94e1bb3fa4734e9e47ab560 (diff)
bonding: properly unset current_arp_slave on slave link up
[ Upstream commit 5a4309746cd74734daa964acb02690c22b3c8911 ] When a slave comes up, we're unsetting the current_arp_slave without removing active flags from it, which can lead to situations where we have more than one slave with active flags in active-backup mode. To avoid this situation we must remove the active flags from a slave before removing it as a current_arp_slave. Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 0b65c5fccc32..e6da842cb288 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3076,7 +3076,11 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
trans_start + delta_in_ticks)) ||
bond->curr_active_slave != slave) {
slave->link = BOND_LINK_UP;
- bond->current_arp_slave = NULL;
+ if (bond->current_arp_slave) {
+ bond_set_slave_inactive_flags(
+ bond->current_arp_slave);
+ bond->current_arp_slave = NULL;
+ }
pr_info("%s: link status definitely up for interface %s.\n",
bond->dev->name, slave->dev->name);