modules: better error messages when modules fail to load due to a sysfs problem.
This helps people when debugging problems like the ones that were in the
recent -mm releases.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/kernel/params.c b/kernel/params.c
index effbaae..4e57732 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -567,7 +567,12 @@
kobject_set_name(&mk->kobj, name);
kobject_init(&mk->kobj);
ret = kobject_add(&mk->kobj);
- BUG_ON(ret < 0);
+ if (ret) {
+ printk(KERN_ERR "Module '%s' failed to be added to sysfs, "
+ "error number %d\n", name, ret);
+ printk(KERN_ERR "The system will be unstable now.\n");
+ return;
+ }
param_sysfs_setup(mk, kparam, num_params, name_skip);
kobject_uevent(&mk->kobj, KOBJ_ADD);
}