staging: rtl8712: r8712_wdg_wk_cmd(): Change return type

Change return type of function r8712_wdg_wk_cmd from u8 to void as its
return value is never stored, checked or otherwise used. Modify its
return statements accordingly.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -759,7 +759,7 @@ void r8712_addbareq_cmd(struct _adapter *padapter, u8 tid)
 	r8712_enqueue_cmd_ex(pcmdpriv, ph2c);
 }
 
-u8 r8712_wdg_wk_cmd(struct _adapter *padapter)
+void r8712_wdg_wk_cmd(struct _adapter *padapter)
 {
 	struct cmd_obj *ph2c;
 	struct drvint_cmd_parm  *pdrvintcmd_param;
@@ -767,18 +767,17 @@ u8 r8712_wdg_wk_cmd(struct _adapter *padapter)
 
 	ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
 	if (!ph2c)
-		return _FAIL;
+		return;
 	pdrvintcmd_param = kmalloc(sizeof(*pdrvintcmd_param), GFP_ATOMIC);
 	if (!pdrvintcmd_param) {
 		kfree(ph2c);
-		return _FAIL;
+		return;
 	}
 	pdrvintcmd_param->i_cid = WDG_WK_CID;
 	pdrvintcmd_param->sz = 0;
 	pdrvintcmd_param->pbuf = NULL;
 	init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvintcmd_param, _DRV_INT_CMD_);
 	r8712_enqueue_cmd_ex(pcmdpriv, ph2c);
-	return _SUCCESS;
 }
 
 void r8712_survey_cmd_callback(struct _adapter *padapter, struct cmd_obj *pcmd)

drivers/staging/rtl8712/rtl871x_cmd.h

@@ -730,7 +730,7 @@ u8 r8712_setrttbl_cmd(struct _adapter  *padapter,
 u8 r8712_setfwdig_cmd(struct _adapter *padapter, u8 type);
 u8 r8712_setfwra_cmd(struct _adapter *padapter, u8 type);
 void r8712_addbareq_cmd(struct _adapter *padapter, u8 tid);
-u8 r8712_wdg_wk_cmd(struct _adapter *padapter);
+void r8712_wdg_wk_cmd(struct _adapter *padapter);
 void r8712_survey_cmd_callback(struct _adapter  *padapter,
 			       struct cmd_obj *pcmd);
 void r8712_disassoc_cmd_callback(struct _adapter  *padapter,