Staging: hv: storvsc: Rename get_stor_device()

In preparation for cleaning up how we manage reference counts on the stor
device, clearly distinguish why we are attempting to acquire a reference.

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/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index faa8d57..5b2004f 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -344,7 +344,7 @@
 	int ret, t;
 
 
-	stor_device = get_stor_device(device);
+	stor_device = get_out_stor_device(device);
 	if (!stor_device)
 		return -ENODEV;