Staging: hv: mousevsc: Cleanup mousevsc_connect_to_vsp()

Cleanup mousevsc_connect_to_vsp(). There is no need to take reference on the
mousevsc device object when we are setting up the device. As part of this
cleanup get rid of get_input_device() as this function is only used here.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-09-29 11:54:56 -07:00 committed by Greg Kroah-Hartman
parent 1486dd0d0a
commit 8660e38fab
1 changed files with 1 additions and 33 deletions

View File

@ -203,32 +203,6 @@ static void free_input_device(struct mousevsc_dev *device)
kfree(device);
}
/*
* Get the inputdevice object if exists and its refcount > 1
*/
static struct mousevsc_dev *get_input_device(struct hv_device *device)
{
struct mousevsc_dev *input_dev;
input_dev = hv_get_drvdata(device);
/*
* FIXME
* This sure isn't a valid thing to print for debugging, no matter
* what the intention is...
*
* printk(KERN_ERR "-------------------------> REFCOUNT = %d",
* input_dev->ref_count);
*/
if (input_dev && atomic_read(&input_dev->ref_count) > 1)
atomic_inc(&input_dev->ref_count);
else
input_dev = NULL;
return input_dev;
}
/*
* Get the inputdevice object iff exists and its refcount > 0
*/
@ -520,15 +494,10 @@ static int mousevsc_connect_to_vsp(struct hv_device *device)
{
int ret = 0;
int t;
struct mousevsc_dev *input_dev;
struct mousevsc_dev *input_dev = hv_get_drvdata(device);
struct mousevsc_prt_msg *request;
struct mousevsc_prt_msg *response;
input_dev = get_input_device(device);
if (!input_dev)
return -ENODEV;
request = &input_dev->protocol_req;
@ -584,7 +553,6 @@ static int mousevsc_connect_to_vsp(struct hv_device *device)
ret = -ENOMEM;
cleanup:
put_input_device(device);
return ret;
}