diff --git a/[refs] b/[refs]
index a513ad8282e6..10eee648ee1e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ff0102ee104847023c36357e2b9f133f3f40d211
+refs/heads/master: ea6836dd7ef9cfbed5dce421190009f9eed00b7e
diff --git a/trunk/drivers/net/bonding/bond_sysfs.c b/trunk/drivers/net/bonding/bond_sysfs.c
index ea7a388f4843..77ea237de900 100644
--- a/trunk/drivers/net/bonding/bond_sysfs.c
+++ b/trunk/drivers/net/bonding/bond_sysfs.c
@@ -316,6 +316,9 @@ static ssize_t bonding_store_mode(struct device *d,
 	int new_value, ret = count;
 	struct bonding *bond = to_bond(d);
 
+	if (!rtnl_trylock())
+		return restart_syscall();
+
 	if (bond->dev->flags & IFF_UP) {
 		pr_err("unable to update mode of %s because interface is up.\n",
 		       bond->dev->name);
@@ -352,6 +355,7 @@ static ssize_t bonding_store_mode(struct device *d,
 		bond->dev->name, bond_mode_tbl[new_value].modename,
 		new_value);
 out:
+	rtnl_unlock();
 	return ret;
 }
 static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,