aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/media/video/cx88/cx88-mpeg.c60
-rw-r--r--drivers/media/video/cx88/cx88.h8
2 files changed, 34 insertions, 34 deletions
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 1b1418241b4..11d9865e34f 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -594,24 +594,14 @@ EXPORT_SYMBOL(cx8802_get_device);
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
{
- struct cx8802_dev *h = NULL;
- struct cx8802_driver *d = NULL;
+ struct cx8802_driver *d;
struct list_head *list;
- struct list_head *list2;
-
- list_for_each(list,&cx8802_devlist) {
- h = list_entry(list, struct cx8802_dev, devlist);
- if (h != dev)
- continue;
- list_for_each(list2, &h->drvlist.devlist) {
- d = list_entry(list2, struct cx8802_driver, devlist);
+ list_for_each(list, &dev->drvlist) {
+ d = list_entry(list, struct cx8802_driver, drvlist);
- /* only unregister the correct driver type */
- if (d->type_id == btype) {
- return d;
- }
- }
+ if (d->type_id == btype)
+ return d;
}
return NULL;
@@ -717,7 +707,7 @@ int cx8802_register_driver(struct cx8802_driver *drv)
if (err == 0) {
i++;
mutex_lock(&drv->core->lock);
- list_add_tail(&driver->devlist,&h->drvlist.devlist);
+ list_add_tail(&driver->drvlist, &h->drvlist);
mutex_unlock(&drv->core->lock);
} else {
printk(KERN_ERR
@@ -757,8 +747,8 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
h->pci->subsystem_device, h->core->board.name,
h->core->boardnr);
- list_for_each_safe(list2, q, &h->drvlist.devlist) {
- d = list_entry(list2, struct cx8802_driver, devlist);
+ list_for_each_safe(list2, q, &h->drvlist) {
+ d = list_entry(list2, struct cx8802_driver, drvlist);
/* only unregister the correct driver type */
if (d->type_id != drv->type_id)
@@ -772,7 +762,6 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
} else
printk(KERN_ERR "%s/2: cx8802 driver remove "
"failed (%d)\n", h->core->name, err);
-
}
}
@@ -810,7 +799,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
if (err != 0)
goto fail_free;
- INIT_LIST_HEAD(&dev->drvlist.devlist);
+ INIT_LIST_HEAD(&dev->drvlist);
list_add_tail(&dev->devlist,&cx8802_devlist);
/* Maintain a reference so cx88-video can query the 8802 device. */
@@ -830,23 +819,32 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
static void __devexit cx8802_remove(struct pci_dev *pci_dev)
{
struct cx8802_dev *dev;
- struct cx8802_driver *h;
- struct list_head *list;
dev = pci_get_drvdata(pci_dev);
dprintk( 1, "%s\n", __FUNCTION__);
- list_for_each(list,&dev->drvlist.devlist) {
- h = list_entry(list, struct cx8802_driver, devlist);
- dprintk( 1, " ->driver\n");
- if (h->remove == NULL) {
- printk(KERN_ERR "%s .. skipping driver, no probe function\n", __FUNCTION__);
- continue;
+ if (!list_empty(&dev->drvlist)) {
+ struct list_head *list, *tmp;
+ struct cx8802_driver *drv;
+ int err;
+
+ printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver "
+ "while cx8802 sub-drivers still loaded?!\n",
+ dev->core->name);
+
+ list_for_each_safe(list, tmp, &dev->drvlist) {
+ drv = list_entry(list, struct cx8802_driver, drvlist);
+
+ err = drv->remove(drv);
+ if (err == 0) {
+ mutex_lock(&drv->core->lock);
+ list_del(list);
+ mutex_unlock(&drv->core->lock);
+ } else
+ printk(KERN_ERR "%s/2: cx8802 driver remove "
+ "failed (%d)\n", dev->core->name, err);
}
- printk(KERN_INFO "%s .. Removing driver type %d\n", __FUNCTION__, h->type_id);
- cx8802_unregister_driver(h);
- list_del(&dev->drvlist.devlist);
}
/* Destroy any 8802 reference. */
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 2e0911bad43..eb296bdecb1 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -412,7 +412,9 @@ struct cx8802_suspend_state {
struct cx8802_driver {
struct cx88_core *core;
- struct list_head devlist;
+
+ /* List of drivers attached to device */
+ struct list_head drvlist;
/* Type of driver and access required */
enum cx88_board_type type_id;
@@ -478,8 +480,8 @@ struct cx8802_dev {
unsigned char ts_gen_cntrl;
/* List of attached drivers */
- struct cx8802_driver drvlist;
- struct work_struct request_module_wk;
+ struct list_head drvlist;
+ struct work_struct request_module_wk;
};
/* ----------------------------------------------------------- */