memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN);
} else {
payload_offset = WLAN_HDR_A4_LEN;
- payload_length -= ( WLAN_HDR_A4_LEN - WLAN_HDR_A3_LEN );
- if (payload_length < 0 ) {
+ if (payload_length < WLAN_HDR_A4_LEN - WLAN_HDR_A3_LEN) {
WLAN_LOG_ERROR("A4 frame too short!\n");
return 1;
}
+ payload_length -= (WLAN_HDR_A4_LEN - WLAN_HDR_A3_LEN);
memcpy(daddr, w_hdr->a4.a3, WLAN_ETHADDR_LEN);
memcpy(saddr, w_hdr->a4.a4, WLAN_ETHADDR_LEN);
}