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Staging: hv: blkvsc_drv: Cleanup the blkvsc_drv_exit() function

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To conform to the Linux device model, the device should persist even
when there is no driver bound to it. Cleanup the blkvsc_drv_exit() routine
keeping this in mind.

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>
This commit is contained in:
K. Y. Srinivasan
2011-05-12 19:34:44 -07:00
committed by Greg Kroah-Hartman
parent 459bce9765
commit 8553d753a4
1 changed files with 1 additions and 32 deletions
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33
drivers/staging/hv/blkvsc_drv.c
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@@ -833,42 +833,11 @@ static int blkvsc_drv_init(void)
return ret;
}
static int blkvsc_drv_exit_cb(struct device *dev, void *data)
{
struct device **curr = (struct device **)data;
*curr = dev;
return 1; /* stop iterating */
}
static void blkvsc_drv_exit(void)
{
struct hv_driver *drv = &blkvsc_drv;
struct device *current_dev;
int ret;
while (1) {
current_dev = NULL;
/* Get the device */
ret = driver_for_each_device(&drv->driver, NULL,
(void *) &current_dev,
blkvsc_drv_exit_cb);
if (ret)
DPRINT_WARN(BLKVSC_DRV,
"driver_for_each_device returned %d", ret);
if (current_dev == NULL)
break;
/* Initiate removal from the top-down */
device_unregister(current_dev);
}
vmbus_child_driver_unregister(&drv->driver);
return;
vmbus_child_driver_unregister(&blkvsc_drv.driver);
}
/*