Pull asus into release branch

[pandora-kernel.git] / drivers / s390 / crypto / zcrypt_api.c

diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index b9e59bc..e3625a4 100644 (file)
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -298,14 +298,14 @@ static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex)
                get_device(&zdev->ap_dev->device);
                zdev->request_count++;
                __zcrypt_decrease_preference(zdev);
-               spin_unlock_bh(&zcrypt_device_lock);
                if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+                       spin_unlock_bh(&zcrypt_device_lock);
                        rc = zdev->ops->rsa_modexpo(zdev, mex);
+                       spin_lock_bh(&zcrypt_device_lock);
                        module_put(zdev->ap_dev->drv->driver.owner);
                }
                else
                        rc = -EAGAIN;
-               spin_lock_bh(&zcrypt_device_lock);
                zdev->request_count--;
                __zcrypt_increase_preference(zdev);
                put_device(&zdev->ap_dev->device);
@@ -373,14 +373,14 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
                get_device(&zdev->ap_dev->device);
                zdev->request_count++;
                __zcrypt_decrease_preference(zdev);
-               spin_unlock_bh(&zcrypt_device_lock);
                if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+                       spin_unlock_bh(&zcrypt_device_lock);
                        rc = zdev->ops->rsa_modexpo_crt(zdev, crt);
+                       spin_lock_bh(&zcrypt_device_lock);
                        module_put(zdev->ap_dev->drv->driver.owner);
                }
                else
                        rc = -EAGAIN;
-               spin_lock_bh(&zcrypt_device_lock);
                zdev->request_count--;
                __zcrypt_increase_preference(zdev);
                put_device(&zdev->ap_dev->device);
@@ -408,14 +408,14 @@ static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
                get_device(&zdev->ap_dev->device);
                zdev->request_count++;
                __zcrypt_decrease_preference(zdev);
-               spin_unlock_bh(&zcrypt_device_lock);
                if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+                       spin_unlock_bh(&zcrypt_device_lock);
                        rc = zdev->ops->send_cprb(zdev, xcRB);
+                       spin_lock_bh(&zcrypt_device_lock);
                        module_put(zdev->ap_dev->drv->driver.owner);
                }
                else
                        rc = -EAGAIN;
-               spin_lock_bh(&zcrypt_device_lock);
                zdev->request_count--;
                __zcrypt_increase_preference(zdev);
                put_device(&zdev->ap_dev->device);
@@ -807,7 +807,7 @@ static long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
 /**
  * Misc device file operations.
  */
-static struct file_operations zcrypt_fops = {
+static const struct file_operations zcrypt_fops = {
        .owner          = THIS_MODULE,
        .read           = zcrypt_read,
        .write          = zcrypt_write,
@@ -1063,7 +1063,6 @@ int __init zcrypt_api_init(void)
                rc = -ENOMEM;
                goto out_misc;
        }
-       zcrypt_entry->nlink = 1;
        zcrypt_entry->data = NULL;
        zcrypt_entry->read_proc = zcrypt_status_read;
        zcrypt_entry->write_proc = zcrypt_status_write;