On 09/16/2015 11:41 PM, ira.we...@intel.com wrote: > @@ -125,7 +151,20 @@ int __init dev_init(void) > ret = PTR_ERR(class); > pr_err("Could not create device class (err %d)\n", -ret); > unregister_chrdev_region(hfi1_dev, HFI1_NMINORS); > + goto done; > } > + class->devnode = hfi1_devnode; > + > + user_class = class_create(THIS_MODULE, class_name_user()); > + if (IS_ERR(user_class)) { > + ret = PTR_ERR(user_class); > + pr_err("Could not create device class for user accisble files > (err %d)\n", ^^^^^^^^ Typo in error message.
> + -ret); > + class_destroy(class); > + class = NULL; > + unregister_chrdev_region(hfi1_dev, HFI1_NMINORS); Missing "goto done"? Otherwise this: > + } > + user_class->devnode = hfi1_user_devnode; ... will explode. > > done: > return ret; > @@ -138,5 +177,10 @@ void dev_cleanup(void) > class = NULL; > } > > + if (user_class) { > + class_destroy(user_class); > + user_class = NULL; > + } > + It's actually harmless to call class_destroy(NULL). No need to check. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html