bonding: elminate bad refcount code
The "expected_refcount" stuff in bonding sysfs module is a mistake.
Sysfs does proper refcounting, and it is okay to remove a bond device
that has some user process holding the file open.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index ecb2020..e3fb7f5 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -40,12 +40,6 @@
#define to_dev(obj) container_of(obj, struct device, kobj)
#define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd))))
-/*---------------------------- Declarations -------------------------------*/
-
-static int expected_refcount = -1;
-
-/*------------------------------ Functions --------------------------------*/
-
/*
* "show" function for the bond_masters attribute.
* The class parameter is ignored.
@@ -112,18 +106,6 @@
list_for_each_entry(bond, &bond_dev_list, bond_list)
if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) {
- /* check the ref count on the bond's kobject.
- * If it's > expected, then there's a file open,
- * and we have to fail.
- */
- if (atomic_read(&bond->dev->dev.kobj.kref.refcount)
- > expected_refcount){
- pr_info(DRV_NAME
- ": Unable remove bond %s due to open references.\n",
- ifname);
- res = -EPERM;
- goto out_unlock;
- }
pr_info(DRV_NAME
": %s is being deleted...\n",
bond->dev->name);
@@ -1579,9 +1561,6 @@
if (err)
printk(KERN_EMERG "eek! didn't create group!\n");
- if (expected_refcount < 1)
- expected_refcount = atomic_read(&bond->dev->dev.kobj.kref.refcount);
-
return err;
}
/*