staging: rtl8723bs: Skip unnecessary field checks (6493a78f) · Commits · 戴 / test

Skip unnecessary request field checks when the information element pointer is null. Signed-off-by:

drivers/staging/rtl8723bs/core/rtw_mlme_ext.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -1267,13 +1267,12 @@ unsigned int OnAssocReq(struct adapter padapter, union recv_frame precv_frame)
		/* checking SSID */
		p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len,
		pkt_len - WLAN_HDR_A3_LEN - ie_offset);
		if (p == NULL) {
		status = _STATS_FAILURE_;
		}

		if (ie_len == 0) /* broadcast ssid, however it is not allowed in assocreq */
		if (!p \|\| ie_len == 0) {
		/* broadcast ssid, however it is not allowed in assocreq */
		status = _STATS_FAILURE_;
		else {
		goto OnAssocReqFail;
		} else {
		/* check if ssid match */
		if (memcmp((void *)(p+2), cur->Ssid.Ssid, cur->Ssid.SsidLength))
		status = _STATS_FAILURE_;