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Subject[PATCH 3/3] bonding: handle case of device named bonding_master
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>
---
Note: bonding is not yet network namespace aware, it will need lots of
work to get this to happen.

--- a/drivers/net/bonding/bond_sysfs.c 2008-05-14 17:49:29.000000000 -0700
+++ b/drivers/net/bonding/bond_sysfs.c 2008-05-14 18:02:36.000000000 -0700
@@ -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;

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