1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/module.c b/kernel/module.c
index 2a19cd47c046..b7fe6e840963 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1054,6 +1054,12 @@ static int mod_sysfs_setup(struct module *mod,
 {
         int err;
 
+        if (!module_subsys.kset.subsys) {
+                printk(KERN_ERR "%s: module_subsys not initialized\n",
+                       mod->name);
+                err = -EINVAL;
+                goto out;
+        }
         memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj));
         err = kobject_set_name(&mod->mkobj.kobj, "%s", mod->name);
         if (err)