diff options
| -rw-r--r-- | crypto/pcrypt.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index c9662e25595..7153a50bce2 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -25,9 +25,11 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/notifier.h> +#include <linux/kobject.h> #include <crypto/pcrypt.h> struct pcrypt_instance { + const char *name; struct padata_instance *pinst; struct workqueue_struct *wq; @@ -55,7 +57,7 @@ struct pcrypt_instance { static struct pcrypt_instance pencrypt; static struct pcrypt_instance pdecrypt; - +static struct kset *pcrypt_kset; struct pcrypt_instance_ctx { struct crypto_spawn spawn; @@ -429,12 +431,25 @@ static int pcrypt_cpumask_change_notify(struct notifier_block *self, return 0; } +static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) +{ + int ret; + + pinst->kobj.kset = pcrypt_kset; + ret = kobject_add(&pinst->kobj, NULL, name); + if (!ret) + kobject_uevent(&pinst->kobj, KOBJ_ADD); + + return ret; +} + static int __pcrypt_init_instance(struct pcrypt_instance *pcrypt, const char *name) { int ret = -ENOMEM; struct pcrypt_cpumask *mask; + pcrypt->name = name; pcrypt->wq = create_workqueue(name); if (!pcrypt->wq) goto err; @@ -459,7 +474,13 @@ static int __pcrypt_init_instance(struct pcrypt_instance *pcrypt, if (ret) goto err_free_cpumask; + ret = pcrypt_sysfs_add(pcrypt->pinst, name); + if (ret) + goto err_unregister_notifier; + return ret; +err_unregister_notifier: + padata_unregister_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock); err_free_cpumask: free_cpumask_var(mask->mask); kfree(mask); @@ -473,6 +494,7 @@ err: static void __pcrypt_deinit_instance(struct pcrypt_instance *pcrypt) { + kobject_put(&pcrypt->pinst->kobj); free_cpumask_var(pcrypt->cb_cpumask->mask); kfree(pcrypt->cb_cpumask); @@ -491,11 +513,15 @@ static struct crypto_template pcrypt_tmpl = { static int __init pcrypt_init(void) { - int err; + int err = -ENOMEM; + + pcrypt_kset = kset_create_and_add("pcrypt", NULL, kernel_kobj); + if (!pcrypt_kset) + goto err; err = __pcrypt_init_instance(&pencrypt, "pencrypt"); if (err) - goto err; + goto err_unreg_kset; err = __pcrypt_init_instance(&pdecrypt, "pdecrypt"); if (err) @@ -508,6 +534,8 @@ static int __init pcrypt_init(void) err_deinit_pencrypt: __pcrypt_deinit_instance(&pencrypt); +err_unreg_kset: + kset_unregister(pcrypt_kset); err: return err; } @@ -517,6 +545,7 @@ static void __exit pcrypt_exit(void) __pcrypt_deinit_instance(&pencrypt); __pcrypt_deinit_instance(&pdecrypt); + kset_unregister(pcrypt_kset); crypto_unregister_template(&pcrypt_tmpl); } |