wilc1000: added mgmt header check before processing monitor header offset

Before passing to monitor interface check mgmt header value is set to
ensure correct offset parsing.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>

Author: ajaykathat

drivers/staging/wilc1000/wlan.c

@@ -1309,11 +1309,11 @@ static void wilc_wlan_handle_rx_buff(struct wilc *wilc, u8 *buffer, int size)
 			}
 		} else if (pkt_offset & IS_MANAGMEMENT) {
 			buff_ptr += HOST_HDR_OFFSET;
-			wilc_wfi_mgmt_rx(wilc, buff_ptr, pkt_len);
-		} else if (pkt_offset & IS_MON_PKT) {
-			/* packet received on monitor interface */
-			buff_ptr += HOST_HDR_OFFSET;
-			wilc_wfi_handle_monitor_rx(wilc, buff_ptr, pkt_len);
+
+			if (pkt_offset & IS_MON_PKT)
+				wilc_wfi_handle_monitor_rx(wilc, buff_ptr, pkt_len);
+			else
+				wilc_wfi_mgmt_rx(wilc, buff_ptr, pkt_len);
 		} else {
 			struct net_device *wilc_netdev;
 			struct wilc_vif *vif;