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bonding: handle link transition from FAIL to UP correctly 

[ Upstream commit fb9eb899a6 ]

When link transitions from LINK_FAIL to LINK_UP, the commit phase is
not called. This leads to an erroneous state causing slave-link state to
get stuck in "going down" state while its speed and duplex are perfectly
fine. This issue is a side-effect of splitting link-set into propose and
commit phases introduced by de77ecd4ef ("bonding: improve link-status
update in mii-monitoring")

This patch fixes these issues by calling commit phase whenever link
state change is proposed.

Fixes: de77ecd4ef ("bonding: improve link-status update in mii-monitoring")
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mahesh Bandewar 2017-04-11 22:36:00 -07:00 committed by Greg Kroah-Hartman
parent 09604c91cb
commit 86138a4972
1 changed files with 2 additions and 1 deletions
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3
drivers/net/bonding/bond_main.c
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@ -2067,6 +2067,7 @@ static int bond_miimon_inspect(struct bonding *bond)
(bond->params.downdelay - slave->delay) *
bond->params.miimon,
slave->dev->name);
commit++;
continue;
}
@ -2104,7 +2105,7 @@ static int bond_miimon_inspect(struct bonding *bond)
(bond->params.updelay - slave->delay) *
bond->params.miimon,
slave->dev->name);
commit++;
continue;
}