--- linux-4.6.0/kernel/kmod.c.orig	2016-05-16 01:43:13.000000000 +0300
+++ linux-4.6.0/kernel/kmod.c	2016-05-22 09:49:12.654159691 +0300
@@ -561,7 +561,8 @@
 		call_usermodehelper_freeinfo(sub_info);
 		return -EINVAL;
 	}
-	helper_lock();
+	if (!(current->flags & PF_FREEZER_SKIP))
+		helper_lock();
 	if (usermodehelper_disabled) {
 		retval = -EBUSY;
 		goto out;
@@ -595,7 +596,8 @@
 out:
 	call_usermodehelper_freeinfo(sub_info);
 unlock:
-	helper_unlock();
+	if (!(current->flags & PF_FREEZER_SKIP))
+		helper_unlock();
 	return retval;
 }
 EXPORT_SYMBOL(call_usermodehelper_exec);