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bonding: show full hw address in sysfs for slave entries

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[ Upstream commit 18bebc6dd3 ]

Bond expects ethernet hwaddr for its slave, but it can be longer than 6
bytes - infiniband interface for example.

 # cat /sys/devices/<skipped>/net/ib0/address
 80:00:02:08:fe:80:00:00:00:00:00:00:7c:fe:90:03:00:be:5d:e1

 # cat /sys/devices/<skipped>/net/ib0/bonding_slave/perm_hwaddr
 80:00:02:08:fe:80

So print full hwaddr in sysfs "bonding_slave/perm_hwaddr" as well.

Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Khorenko
2019-03-28 13:29:21 +03:00
committed by Greg Kroah-Hartman
parent c8bab3fcb3
commit 389233e2df
1 changed files with 3 additions and 1 deletions
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4
drivers/net/bonding/bond_sysfs_slave.c
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@@ -55,7 +55,9 @@ static SLAVE_ATTR_RO(link_failure_count);
static ssize_t perm_hwaddr_show(struct slave *slave, char *buf)
{
return sprintf(buf, "%pM\n", slave->perm_hwaddr);
return sprintf(buf, "%*phC\n",
slave->dev->addr_len,
slave->perm_hwaddr);
}
static SLAVE_ATTR_RO(perm_hwaddr);