[PATCH 22/25] Staging: hv: Use the remove() function in struct hv_driver

From: K. Y. Srinivasan
Date: Tue Apr 26 2011 - 12:09:55 EST


Use the newly introduced remove() function in struct hv_driver.

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Signed-off-by: Abhishek Kane <v-abkane@xxxxxxxxxxxxx>
Signed-off-by: Hank Janssen <hjanssen@xxxxxxxxxxxxx>
---
drivers/staging/hv/blkvsc_drv.c | 11 +++++------
drivers/staging/hv/hv_mouse.c | 11 +++++------
drivers/staging/hv/netvsc_drv.c | 13 ++++++-------
drivers/staging/hv/storvsc_drv.c | 13 ++++++-------
drivers/staging/hv/vmbus_drv.c | 9 +++------
5 files changed, 25 insertions(+), 32 deletions(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 20b9a53..80f7c0e 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -537,19 +537,18 @@ out:
/*
* blkvsc_remove() - Callback when our device is removed
*/
-static int blkvsc_remove(struct device *device)
+static int blkvsc_remove(struct hv_device *dev)
{
struct storvsc_driver_object *storvsc_drv_obj =
- drv_to_stordrv(device->driver);
- struct hv_device *device_obj = device_to_hv_device(device);
- struct block_device_context *blkdev = dev_get_drvdata(device);
+ drv_to_stordrv(dev->device.driver);
+ struct block_device_context *blkdev = dev_get_drvdata(&dev->device);
unsigned long flags;

/*
* Call to the vsc driver to let it know that the device is being
* removed
*/
- storvsc_drv_obj->base.dev_rm(device_obj);
+ storvsc_drv_obj->base.dev_rm(dev);

/* Get to a known state */
spin_lock_irqsave(&blkdev->lock, flags);
@@ -883,7 +882,7 @@ static int blkvsc_drv_init(void)
drv->driver.name = storvsc_drv_obj->base.name;

drv->probe = blkvsc_probe;
- drv->driver.remove = blkvsc_remove;
+ drv->remove = blkvsc_remove;
drv->driver.shutdown = blkvsc_shutdown;

/* The driver belongs to vmbus */
diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
index e2363b3..d49a51e 100644
--- a/drivers/staging/hv/hv_mouse.c
+++ b/drivers/staging/hv/hv_mouse.c
@@ -858,20 +858,19 @@ static int mousevsc_probe(struct hv_device *dev)
return 0;
}

-static int mousevsc_remove(struct device *device)
+static int mousevsc_remove(struct hv_device *dev)
{
int ret = 0;

struct mousevsc_drv_obj *mousevsc_drv_obj =
- drv_to_mousedrv(device->driver);
+ drv_to_mousedrv(dev->device.driver);

- struct hv_device *device_obj = device_to_hv_device(device);
struct input_device_context *input_dev_ctx;

input_dev_ctx = kmalloc(sizeof(struct input_device_context),
GFP_KERNEL);

- dev_set_drvdata(device, input_dev_ctx);
+ dev_set_drvdata(&dev->device, input_dev_ctx);

if (input_dev_ctx->connected) {
hidinput_disconnect(input_dev_ctx->hid_device);
@@ -885,7 +884,7 @@ static int mousevsc_remove(struct device *device)
* Call to the vsc driver to let it know that the device
* is being removed
*/
- ret = mousevsc_drv_obj->base.dev_rm(device_obj);
+ ret = mousevsc_drv_obj->base.dev_rm(dev);

if (ret != 0) {
DPRINT_ERR(INPUTVSC_DRV,
@@ -1023,7 +1022,7 @@ static int __init mousevsc_init(void)
drv->driver.name = input_drv_obj->base.name;

drv->probe = mousevsc_probe;
- drv->driver.remove = mousevsc_remove;
+ drv->remove = mousevsc_remove;

/* The driver belongs to vmbus */
vmbus_child_driver_register(&drv->driver);
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 685a6f5..f4c6000 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -408,16 +408,15 @@ static int netvsc_probe(struct hv_device *dev)
return ret;
}

-static int netvsc_remove(struct device *device)
+static int netvsc_remove(struct hv_device *dev)
{
struct netvsc_driver *net_drv_obj =
- drv_to_netvscdrv(device->driver);
- struct hv_device *device_obj = device_to_hv_device(device);
- struct net_device *net = dev_get_drvdata(&device_obj->device);
+ drv_to_netvscdrv(dev->device.driver);
+ struct net_device *net = dev_get_drvdata(&dev->device);
int ret;

if (net == NULL) {
- dev_err(device, "No net device to remove\n");
+ dev_err(&dev->device, "No net device to remove\n");
return 0;
}

@@ -434,7 +433,7 @@ static int netvsc_remove(struct device *device)
* Call to the vsc driver to let it know that the device is being
* removed
*/
- ret = net_drv_obj->base.dev_rm(device_obj);
+ ret = net_drv_obj->base.dev_rm(dev);
if (ret != 0) {
/* TODO: */
netdev_err(net, "unable to remove vsc device (ret %d)\n", ret);
@@ -501,7 +500,7 @@ static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
drv->driver.name = net_drv_obj->base.name;

drv->probe = netvsc_probe;
- drv->driver.remove = netvsc_remove;
+ drv->remove = netvsc_remove;

/* The driver belongs to vmbus */
ret = vmbus_child_driver_register(&drv->driver);
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 2060206..e449481 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -128,7 +128,7 @@ static int storvsc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd
static int storvsc_device_alloc(struct scsi_device *);
static int storvsc_device_configure(struct scsi_device *);
static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd);
-static int storvsc_remove(struct device *dev);
+static int storvsc_remove(struct hv_device *dev);

static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
unsigned int sg_count,
@@ -214,7 +214,7 @@ static int storvsc_drv_init(void)
drv->driver.name = storvsc_drv_obj->base.name;

drv->probe = storvsc_probe;
- drv->driver.remove = storvsc_remove;
+ drv->remove = storvsc_remove;

/* The driver belongs to vmbus */
ret = vmbus_child_driver_register(&drv->driver);
@@ -398,12 +398,11 @@ static int storvsc_probe(struct hv_device *device)
/*
* storvsc_remove - Callback when our device is removed
*/
-static int storvsc_remove(struct device *device)
+static int storvsc_remove(struct hv_device *dev)
{
struct storvsc_driver_object *storvsc_drv_obj =
- drv_to_stordrv(device->driver);
- struct hv_device *device_obj = device_to_hv_device(device);
- struct Scsi_Host *host = dev_get_drvdata(device);
+ drv_to_stordrv(dev->device.driver);
+ struct Scsi_Host *host = dev_get_drvdata(&dev->device);
struct host_device_context *host_device_ctx =
(struct host_device_context *)host->hostdata;

@@ -411,7 +410,7 @@ static int storvsc_remove(struct device *device)
* Call to the vsc driver to let it know that the device is being
* removed
*/
- storvsc_drv_obj->base.dev_rm(device_obj);
+ storvsc_drv_obj->base.dev_rm(dev);

if (host_device_ctx->request_pool) {
kmem_cache_destroy(host_device_ctx->request_pool);
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 15e6497..e09b363 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -344,16 +344,13 @@ static int vmbus_remove(struct device *child_device)
int ret;
struct hv_driver *drv;

+ struct hv_device *dev = device_to_hv_device(child_device);

if (child_device->driver) {
drv = drv_to_hv_drv(child_device->driver);

- /*
- * Let the specific open-source driver handles the removal if
- * it can
- */
- if (drv->driver.remove) {
- ret = drv->driver.remove(child_device);
+ if (drv->remove) {
+ ret = drv->remove(dev);
} else {
pr_err("remove not set for driver %s\n",
dev_name(child_device));
--
1.7.4.1

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