staging: rtl8712: Change return values of r8712_getrfreg_cmd()

Change return values of r8712_getrfreg_cmd from _SUCCESS/_FAIL to
0/-ENOMEM respectively. Modify call site 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

@@ -280,7 +280,7 @@ int r8712_setrfreg_cmd(struct _adapter  *padapter, u8 offset, u32 val)
 	return 0;
 }
 
-u8 r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval)
+int r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval)
 {
 	struct cmd_obj *ph2c;
 	struct readRF_parm *prdrfparm;
@@ -288,11 +288,11 @@ u8 r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval)
 
 	ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
 	if (!ph2c)
-		return _FAIL;
+		return -ENOMEM;
 	prdrfparm = kmalloc(sizeof(*prdrfparm), GFP_ATOMIC);
 	if (!prdrfparm) {
 		kfree(ph2c);
-		return _FAIL;
+		return -ENOMEM;
 	}
 	INIT_LIST_HEAD(&ph2c->list);
 	ph2c->cmdcode = GEN_CMD_CODE(_GetRFReg);
@@ -302,7 +302,7 @@ u8 r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval)
 	ph2c->rspsz = sizeof(struct readRF_rsp);
 	prdrfparm->offset = offset;
 	r8712_enqueue_cmd(pcmdpriv, ph2c);
-	return _SUCCESS;
+	return 0;
 }
 
 void r8712_getbbrfreg_cmdrsp_callback(struct _adapter *padapter,

drivers/staging/rtl8712/rtl871x_cmd.h

@@ -720,7 +720,7 @@ void r8712_setopmode_cmd(struct _adapter *padapter,
 		 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype);
 int r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset);
 void r8712_set_chplan_cmd(struct _adapter  *padapter, int chplan);
-u8 r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval);
+int r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval);
 int r8712_setrfreg_cmd(struct _adapter  *padapter, u8 offset, u32 val);
 void r8712_addbareq_cmd(struct _adapter *padapter, u8 tid);
 void r8712_wdg_wk_cmd(struct _adapter *padapter);

drivers/staging/rtl8712/rtl871x_ioctl_rtl.c

@@ -467,7 +467,7 @@ uint oid_rt_pro_rf_read_registry_hdl(struct oid_par_priv *poid_par_priv)
 		 * RegDataWidth = *((unsigned long *)InformationBuffer+1);
 		 * RegDataValue =  *((unsigned long *)InformationBuffer+2);
 		 */
-			if (!r8712_getrfreg_cmd(Adapter,
+			if (r8712_getrfreg_cmd(Adapter,
 			    *(unsigned char *)poid_par_priv->information_buf,
 			    (unsigned char *)&Adapter->mppriv.workparam.io_value
 			    ))