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bonding: handle case of device named bonding_master

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If device already exists named bonding_masters, then fail. This is a wierd
corner case only a QA group could love.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-05-14 22:35:04 -07:00 committed by David S. Miller
parent 0599ad53fe
commit 38d2f38be9
1 changed files with 10 additions and 2 deletions
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12
drivers/net/bonding/bond_sysfs.c
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@ -1437,8 +1437,16 @@ int bond_create_sysfs(void)
* configure multiple bonding devices.
*/
if (ret == -EEXIST) {
netdev_class = NULL;
return 0;
/* Is someone being kinky and naming a device bonding_master? */
if (__dev_get_by_name(&init_net,
class_attr_bonding_masters.attr.name))
printk(KERN_ERR
"network device named %s already exists in sysfs",
class_attr_bonding_masters.attr.name);
else {
netdev_class = NULL;
return 0;
}
}
return ret;