Staging: hv: Get rid of the references to the priv element of struct hv_driver in...

In preparation for getting rid of the priv element from struct hv_driver,
get rid of the references to the priv element of struct hv_driver
in hv_mouse.c

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
index bd93548..4333247 100644 (file)
--- a/drivers/staging/hv/hv_mouse.c
+++ b/drivers/staging/hv/hv_mouse.c
@@ -52,6 +52,13 @@ struct mousevsc_drv_obj {
 };
 
 
+static inline
+struct mousevsc_drv_obj *drv_to_mousedrv(struct device_driver *d)
+{
+       struct hv_driver *hvdrv = drv_to_hv_drv(d);
+       return container_of(hvdrv, struct mousevsc_drv_obj, base);
+}
+
 /* The maximum size of a synthetic input message. */
 #define SYNTHHID_MAX_INPUT_REPORT_SIZE 16
 
@@ -428,7 +435,7 @@ static void mousevsc_on_receive_input_report(struct mousevsc_dev *input_device,
                return;
        }
 
-       input_drv = (struct mousevsc_drv_obj *)input_device->device->drv;
+       input_drv = drv_to_mousedrv(input_device->device->device.driver);
 
        inputreport_callback(input_device->device,
                             input_report->buffer,
@@ -713,7 +720,7 @@ static int mousevsc_on_device_add(struct hv_device *device,
                return ret;
        }
 
-       input_drv = (struct mousevsc_drv_obj *)input_dev->device->drv;
+       input_drv = drv_to_mousedrv(input_dev->device->device.driver);
 
        dev_info.vendor = input_dev->hid_dev_info.vendor;
        dev_info.product = input_dev->hid_dev_info.product;
@@ -829,9 +836,8 @@ static int mousevsc_probe(struct device *device)
 {
        int ret = 0;
 
-       struct hv_driver *drv =
-               drv_to_hv_drv(device->driver);
-       struct mousevsc_drv_obj *mousevsc_drv_obj = drv->priv;
+       struct mousevsc_drv_obj *mousevsc_drv_obj =
+               drv_to_mousedrv(device->driver);
 
        struct hv_device *device_obj = device_to_hv_device(device);
        struct input_device_context *input_dev_ctx;
@@ -857,9 +863,8 @@ static int mousevsc_remove(struct device *device)
 {
        int ret = 0;
 
-       struct hv_driver *drv =
-               drv_to_hv_drv(device->driver);
-       struct mousevsc_drv_obj *mousevsc_drv_obj = drv->priv;
+       struct mousevsc_drv_obj *mousevsc_drv_obj =
+               drv_to_mousedrv(device->driver);
 
        struct hv_device *device_obj = device_to_hv_device(device);
        struct input_device_context *input_dev_ctx;
@@ -1017,7 +1022,6 @@ static int __init mousevsc_init(void)
        mouse_vsc_initialize(&input_drv_obj->base);
 
        drv->driver.name = input_drv_obj->base.name;
-       drv->priv = input_drv_obj;
 
        drv->driver.probe = mousevsc_probe;
        drv->driver.remove = mousevsc_remove;