1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 0f539de640dc..ce4677668e2c 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -852,8 +852,11 @@ static ssize_t bonding_store_lacp(struct device *d,
                                   struct device_attribute *attr,
                                   const char *buf, size_t count)
 {
-        int new_value, ret = count;
         struct bonding *bond = to_bond(d);
+        int new_value, ret = count;
+
+        if (!rtnl_trylock())
+                return restart_syscall();
 
         if (bond->dev->flags & IFF_UP) {
                 pr_err("%s: Unable to update LACP rate because interface is up.\n",
@@ -883,6 +886,8 @@ static ssize_t bonding_store_lacp(struct device *d,
                 ret = -EINVAL;
         }
 out:
+        rtnl_unlock();
+
         return ret;
 }
 static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR,