Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

[firefly-linux-kernel-4.4.55.git] / drivers / staging / rtl8192e / rtllib_crypt.c

diff --git a/drivers/staging/rtl8192e/rtllib_crypt.c b/drivers/staging/rtl8192e/rtllib_crypt.c
index acda37b818483b96e565fb1e32c169561edee368..86152d0e6b5dba3515dd5ba7d75ec351d16d0f6c 100644 (file)
--- a/drivers/staging/rtl8192e/rtllib_crypt.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt.c
@@ -11,7 +11,6 @@
  *
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -22,7 +21,7 @@
 
 struct rtllib_crypto_alg {
        struct list_head list;
-       struct rtllib_crypto_ops *ops;
+       struct lib80211_crypto_ops *ops;
 };
 
 
@@ -33,15 +32,15 @@ struct rtllib_crypto {
 
 static struct rtllib_crypto *hcrypt;
 
-void rtllib_crypt_deinit_entries(struct rtllib_device *ieee,
+void rtllib_crypt_deinit_entries(struct lib80211_crypt_info *info,
                                           int force)
 {
        struct list_head *ptr, *n;
-       struct rtllib_crypt_data *entry;
+       struct lib80211_crypt_data *entry;
 
-       for (ptr = ieee->crypt_deinit_list.next, n = ptr->next;
-            ptr != &ieee->crypt_deinit_list; ptr = n, n = ptr->next) {
-               entry = list_entry(ptr, struct rtllib_crypt_data, list);
+       for (ptr = info->crypt_deinit_list.next, n = ptr->next;
+            ptr != &info->crypt_deinit_list; ptr = n, n = ptr->next) {
+               entry = list_entry(ptr, struct lib80211_crypt_data, list);
 
                if (atomic_read(&entry->refcnt) != 0 && !force)
                        continue;
@@ -53,28 +52,30 @@ void rtllib_crypt_deinit_entries(struct rtllib_device *ieee,
                kfree(entry);
        }
 }
+EXPORT_SYMBOL(rtllib_crypt_deinit_entries);
 
 void rtllib_crypt_deinit_handler(unsigned long data)
 {
-       struct rtllib_device *ieee = (struct rtllib_device *)data;
+       struct lib80211_crypt_info *info = (struct lib80211_crypt_info *)data;
        unsigned long flags;
 
-       spin_lock_irqsave(&ieee->lock, flags);
-       rtllib_crypt_deinit_entries(ieee, 0);
-       if (!list_empty(&ieee->crypt_deinit_list)) {
+       spin_lock_irqsave(info->lock, flags);
+       rtllib_crypt_deinit_entries(info, 0);
+       if (!list_empty(&info->crypt_deinit_list)) {
                printk(KERN_DEBUG "%s: entries remaining in delayed crypt "
-                      "deletion list\n", ieee->dev->name);
-               ieee->crypt_deinit_timer.expires = jiffies + HZ;
-               add_timer(&ieee->crypt_deinit_timer);
+                      "deletion list\n", info->name);
+               info->crypt_deinit_timer.expires = jiffies + HZ;
+               add_timer(&info->crypt_deinit_timer);
        }
-       spin_unlock_irqrestore(&ieee->lock, flags);
+       spin_unlock_irqrestore(info->lock, flags);
 
 }
+EXPORT_SYMBOL(rtllib_crypt_deinit_handler);
 
-void rtllib_crypt_delayed_deinit(struct rtllib_device *ieee,
-                                   struct rtllib_crypt_data **crypt)
+void rtllib_crypt_delayed_deinit(struct lib80211_crypt_info *info,
+                                struct lib80211_crypt_data **crypt)
 {
-       struct rtllib_crypt_data *tmp;
+       struct lib80211_crypt_data *tmp;
        unsigned long flags;
 
        if (*crypt == NULL)
@@ -87,16 +88,17 @@ void rtllib_crypt_delayed_deinit(struct rtllib_device *ieee,
         * decrypt operations. Use a list of delayed deinits to avoid needing
         * locking. */
 
-       spin_lock_irqsave(&ieee->lock, flags);
-       list_add(&tmp->list, &ieee->crypt_deinit_list);
-       if (!timer_pending(&ieee->crypt_deinit_timer)) {
-               ieee->crypt_deinit_timer.expires = jiffies + HZ;
-               add_timer(&ieee->crypt_deinit_timer);
+       spin_lock_irqsave(info->lock, flags);
+       list_add(&tmp->list, &info->crypt_deinit_list);
+       if (!timer_pending(&info->crypt_deinit_timer)) {
+               info->crypt_deinit_timer.expires = jiffies + HZ;
+               add_timer(&info->crypt_deinit_timer);
        }
-       spin_unlock_irqrestore(&ieee->lock, flags);
+       spin_unlock_irqrestore(info->lock, flags);
 }
+EXPORT_SYMBOL(rtllib_crypt_delayed_deinit);
 
-int rtllib_register_crypto_ops(struct rtllib_crypto_ops *ops)
+int rtllib_register_crypto_ops(struct lib80211_crypto_ops *ops)
 {
        unsigned long flags;
        struct rtllib_crypto_alg *alg;
@@ -104,11 +106,10 @@ int rtllib_register_crypto_ops(struct rtllib_crypto_ops *ops)
        if (hcrypt == NULL)
                return -1;
 
-       alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+       alg = kzalloc(sizeof(*alg), GFP_KERNEL);
        if (alg == NULL)
                return -ENOMEM;
 
-       memset(alg, 0, sizeof(*alg));
        alg->ops = ops;
 
        spin_lock_irqsave(&hcrypt->lock, flags);
@@ -120,8 +121,9 @@ int rtllib_register_crypto_ops(struct rtllib_crypto_ops *ops)
 
        return 0;
 }
+EXPORT_SYMBOL(rtllib_register_crypto_ops);
 
-int rtllib_unregister_crypto_ops(struct rtllib_crypto_ops *ops)
+int rtllib_unregister_crypto_ops(struct lib80211_crypto_ops *ops)
 {
        unsigned long flags;
        struct list_head *ptr;
@@ -150,9 +152,10 @@ int rtllib_unregister_crypto_ops(struct rtllib_crypto_ops *ops)
 
        return del_alg ? 0 : -1;
 }
+EXPORT_SYMBOL(rtllib_unregister_crypto_ops);
 
 
-struct rtllib_crypto_ops *rtllib_get_crypto_ops(const char *name)
+struct lib80211_crypto_ops *rtllib_get_crypto_ops(const char *name)
 {
        unsigned long flags;
        struct list_head *ptr;
@@ -177,12 +180,13 @@ struct rtllib_crypto_ops *rtllib_get_crypto_ops(const char *name)
        else
                return NULL;
 }
+EXPORT_SYMBOL(rtllib_get_crypto_ops);
 
 
 static void * rtllib_crypt_null_init(int keyidx) { return (void *) 1; }
 static void rtllib_crypt_null_deinit(void *priv) {}
 
-static struct rtllib_crypto_ops rtllib_crypt_null = {
+static struct lib80211_crypto_ops rtllib_crypt_null = {
        .name                   = "NULL",
        .init                   = rtllib_crypt_null_init,
        .deinit                 = rtllib_crypt_null_deinit,
@@ -192,8 +196,10 @@ static struct rtllib_crypto_ops rtllib_crypt_null = {
        .decrypt_msdu           = NULL,
        .set_key                = NULL,
        .get_key                = NULL,
-       .extra_prefix_len       = 0,
-       .extra_postfix_len      = 0,
+       .extra_mpdu_prefix_len  = 0,
+       .extra_mpdu_postfix_len = 0,
+       .extra_msdu_prefix_len  = 0,
+       .extra_msdu_postfix_len = 0,
        .owner                  = THIS_MODULE,
 };
 
@@ -202,15 +208,14 @@ int __init rtllib_crypto_init(void)
 {
        int ret = -ENOMEM;
 
-       hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL);
+       hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
        if (!hcrypt)
                goto out;
 
-       memset(hcrypt, 0, sizeof(*hcrypt));
        INIT_LIST_HEAD(&hcrypt->algs);
        spin_lock_init(&hcrypt->lock);
 
-       ret = rtllib_register_crypto_ops(&rtllib_crypt_null);
+       ret = lib80211_register_crypto_ops(&rtllib_crypt_null);
        if (ret < 0) {
                kfree(hcrypt);
                hcrypt = NULL;
@@ -239,3 +244,8 @@ void __exit rtllib_crypto_deinit(void)
 
        kfree(hcrypt);
 }
+
+module_init(rtllib_crypto_init);
+module_exit(rtllib_crypto_deinit);
+
+MODULE_LICENSE("GPL");