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-rw-r--r--kernel/module.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/module.c b/kernel/module.c
index 2a19cd4..b7fe6e8 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)
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