static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2],
					struct brcmf_fil_country_le *ccreq)
{
	struct brcmfmac_pd_cc *country_codes;
	struct brcmfmac_pd_cc_entry *cc;
	s32 found_index;
	int i;

	country_codes = drvr->settings->country_codes;
	if (!country_codes) {
		brcmf_dbg(TRACE, "No country codes configured for device\n");
		return -EINVAL;
	}

	if ((alpha2[0] == ccreq->country_abbrev[0]) &&
	    (alpha2[1] == ccreq->country_abbrev[1])) {
		brcmf_dbg(TRACE, "Country code already set\n");
		return -EAGAIN;
	}

	found_index = -1;
	for (i = 0; i < country_codes->table_size; i++) {
		cc = &country_codes->table[i];
		if ((cc->iso3166[0] == '\0') && (found_index == -1))
			found_index = i;
		if ((cc->iso3166[0] == alpha2[0]) &&
		    (cc->iso3166[1] == alpha2[1])) {
			found_index = i;
			break;
		}
	}
	if (found_index == -1) {
		brcmf_dbg(TRACE, "No country code match found\n");
		return -EINVAL;
	}
	memset(ccreq, 0, sizeof(*ccreq));
	ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev);
	memcpy(ccreq->ccode, country_codes->table[found_index].cc,
	       BRCMF_COUNTRY_BUF_SZ);
	ccreq->country_abbrev[0] = alpha2[0];
	ccreq->country_abbrev[1] = alpha2[1];
	ccreq->country_abbrev[2] = 0;

	return 0;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.