diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/params.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/kernel/params.c b/kernel/params.c index ec3dbf68e253..5538608bd339 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -640,9 +640,33 @@ static ssize_t module_attr_show(struct kobject *kobj, return ret; } +static ssize_t module_attr_store(struct kobject *kobj, + struct attribute *attr, + const char *buf, size_t len) +{ + struct module_attribute *attribute; + struct module_kobject *mk; + int ret; + + attribute = to_module_attr(attr); + mk = to_module_kobject(kobj); + + if (!attribute->store) + return -EPERM; + + if (!try_module_get(mk->mod)) + return -ENODEV; + + ret = attribute->store(attribute, mk->mod, buf, len); + + module_put(mk->mod); + + return ret; +} + static struct sysfs_ops module_sysfs_ops = { .show = module_attr_show, - .store = NULL, + .store = module_attr_store, }; #else |