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>

diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 9266bc6..9a4179c 100644 (file)
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2322,57 +2322,58 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
        bool bSupportNmode = true, bHalfSupportNmode = false;
 
        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 ==
-                           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 {
+       if (errcode) {
                ieee->softmac_stats.rx_auth_rs_err++;
                RTLLIB_DEBUG_MGMT("Authentication respose status code 0x%x",
                                  errcode);
 
                netdev_info(ieee->dev,
-                           "Authentication respose status code 0x%x",
-                           errcode);
+                               "Authentication respose status code 0x%x", errcode);
                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);
        }
 }