staging: rtl8712: Remove unnecessary cast on void pointer

Author: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>

The following Coccinelle script was used to detect this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T*)x)->f
|
- (T*)
  e
)

Signed-off-by: Bhaktipriya Shridhar 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/rtl8712/usb_ops_linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c
index c2ac581..454cdf6 100644
--- a/drivers/staging/rtl8712/usb_ops_linux.c
+++ b/drivers/staging/rtl8712/usb_ops_linux.c
@@ -334,7 +334,7 @@ void r8712_usb_read_port_cancel(struct _adapter *padapter)
 void r8712_xmit_bh(void *priv)
 {
 	int ret = false;
-	struct _adapter *padapter = (struct _adapter *)priv;
+	struct _adapter *padapter = priv;
 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 
 	if (padapter->bDriverStopped ||