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staging: rtl8192e: Decrease nesting of rtllib_rx_auth_resp() 

Return from rtllib_rx_auth_resp() if auth_parse() fails.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mateusz Kulikowski 2015-04-01 00:24:35 +02:00 committed by Greg Kroah-Hartman
parent e8f05b0b01
commit f7567e2070
1 changed files with 45 additions and 44 deletions
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89
drivers/staging/rtl8192e/rtllib_softmac.c
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@ -2322,57 +2322,58 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
bool bSupportNmode = true, bHalfSupportNmode = false; bool bSupportNmode = true, bHalfSupportNmode = false;
errcode = auth_parse(skb, &challenge, &chlen); errcode = auth_parse(skb, &challenge, &chlen);
if (0 == errcode) {
if (ieee->open_wep || !challenge) {
ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATED;
ieee->softmac_stats.rx_auth_rs_ok++;
if (!(ieee->pHTInfo->IOTAction &
HT_IOT_ACT_PURE_N_MODE)) {
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
if (IsHTHalfNmodeAPs(ieee)) {
bSupportNmode = true;
bHalfSupportNmode = true;
} else {
bSupportNmode = false;
bHalfSupportNmode = false;
}
}
}
/* Dummy wirless mode setting to avoid
* encryption issue */
if (bSupportNmode) {
ieee->SetWirelessMode(ieee->dev,
ieee->current_network.mode);
} else {
/*TODO*/
ieee->SetWirelessMode(ieee->dev,
IEEE_G);
}
if (ieee->current_network.mode == if (errcode) {
IEEE_N_24G && bHalfSupportNmode) {
netdev_info(ieee->dev,
"======>enter half N mode\n");
ieee->bHalfWirelessN24GMode =
true;
} else
ieee->bHalfWirelessN24GMode =
false;
rtllib_associate_step2(ieee);
} else {
rtllib_auth_challenge(ieee, challenge,
chlen);
}
} else {
ieee->softmac_stats.rx_auth_rs_err++; ieee->softmac_stats.rx_auth_rs_err++;
RTLLIB_DEBUG_MGMT("Authentication respose status code 0x%x", RTLLIB_DEBUG_MGMT("Authentication respose status code 0x%x",
errcode); errcode);
netdev_info(ieee->dev, netdev_info(ieee->dev,
"Authentication respose status code 0x%x", "Authentication respose status code 0x%x", errcode);
errcode);
rtllib_associate_abort(ieee); rtllib_associate_abort(ieee);
return;
}
if (ieee->open_wep || !challenge) {
ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATED;
ieee->softmac_stats.rx_auth_rs_ok++;
if (!(ieee->pHTInfo->IOTAction &
HT_IOT_ACT_PURE_N_MODE)) {
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
if (IsHTHalfNmodeAPs(ieee)) {
bSupportNmode = true;
bHalfSupportNmode = true;
} else {
bSupportNmode = false;
bHalfSupportNmode = false;
}
}
}
/* Dummy wirless mode setting to avoid
* encryption issue */
if (bSupportNmode) {
ieee->SetWirelessMode(ieee->dev,
ieee->current_network.mode);
} else {
/*TODO*/
ieee->SetWirelessMode(ieee->dev,
IEEE_G);
}
if (ieee->current_network.mode ==
IEEE_N_24G && bHalfSupportNmode) {
netdev_info(ieee->dev,
"======>enter half N mode\n");
ieee->bHalfWirelessN24GMode =
true;
} else
ieee->bHalfWirelessN24GMode =
false;
rtllib_associate_step2(ieee);
} else {
rtllib_auth_challenge(ieee, challenge,
chlen);
} }
} }