Staging: hv: mousevsc: Cleanup alloc_input_device()

Cleanup alloc_input_device(); you can directly set the reference count.

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>

diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
index 092c0ff0f0f5c08868bd7b7cd074e6a4b25ddb5b..38e31ae73a1706718e3f02fc85dd80bde2efc644 100644 (file)
--- a/drivers/staging/hv/hv_mouse.c
+++ b/drivers/staging/hv/hv_mouse.c
@@ -186,7 +186,7 @@ static struct mousevsc_dev *alloc_input_device(struct hv_device *device)
         * Set to 2 to allow both inbound and outbound traffics
         * (ie get_input_device() and must_get_input_device()) to proceed.
         */
-       atomic_cmpxchg(&input_dev->ref_count, 0, 2);
+       atomic_set(&input_dev->ref_count, 2);
 
        input_dev->device = device;
        hv_set_drvdata(device, input_dev);