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staging: rtl8723bs: Skip unnecessary field checks

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Skip unnecessary request field checks when the information element
pointer is null.

Signed-off-by: Aymen Qader <qader.aymen@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aymen Qader 2018-09-27 23:28:14 +01:00 committed by Greg Kroah-Hartman
parent daf9a56cbb
commit 6493a78f80
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
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@ -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_;