diff --git a/os_dep/linux/ioctl_linux.c b/os_dep/linux/ioctl_linux.c
index b52d6db..ca7643d 100644
--- a/os_dep/linux/ioctl_linux.c
+++ b/os_dep/linux/ioctl_linux.c
@@ -69,33 +69,6 @@ static const char *const iw_operation_mode[] = {
 	"Auto", "Ad-Hoc", "Managed",  "Master", "Repeater", "Secondary", "Monitor"
 };
 
-/**
- * hwaddr_aton - Convert ASCII string to MAC address
- * @txt: MAC address as a string (e.g., "00:11:22:33:44:55")
- * @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes)
- * Returns: 0 on success, -1 on failure (e.g., string not a MAC address)
- */
-static int hwaddr_aton_i(const char *txt, u8 *addr)
-{
-	int i;
-
-	for (i = 0; i < 6; i++) {
-		int a, b;
-
-		a = hex2num_i(*txt++);
-		if (a < 0)
-			return -1;
-		b = hex2num_i(*txt++);
-		if (b < 0)
-			return -1;
-		*addr++ = (a << 4) | b;
-		if (i < 5 && *txt++ != ':')
-			return -1;
-	}
-
-	return 0;
-}
-
 static void indicate_wx_custom_event(_adapter *padapter, char *msg)
 {
 	u8 *buff;
@@ -3757,8 +3730,7 @@ static int rtw_get_ap_info(struct net_device *dev,
 
 		pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 
-		/* if(hwaddr_aton_i(pdata->pointer, bssid)) */
-		if (hwaddr_aton_i(data, bssid)) {
+		if (!mac_pton(data, bssid)) {
 			RTW_INFO("Invalid BSSID '%s'.\n", (u8 *)data);
 			_exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);
 			return -EINVAL;