commit 3b68193c4f2458025964f5f9909e92a7863edfad
author Masti, Narayanraddi <c_nmasti@qti.qualcomm.com> Thu Oct 08 19:22:25 2015 +0530
committer Satyanarayana Dash <sadash@codeaurora.org> Tue Oct 13 15:58:20 2015 +0530
tree 2ed03d670f81582e2c551a4f2e9300f8a4f7a778
parent ee1d93eba22d785a7feb5761a1fed2fd93f455e8

prima: Discard TDLS setup, if peer is removed by user application

qcacld-2.0 to prima propagation

In case of TDLS External Control, user app may delete a peer while
TDLS is initiated or setup is in progress. In those cases discard
TDLS Discovery Request, Setup Request and Setup Confirm if peer is
removed by user application.

Change-Id: Ieb3bec240f9d58ae8eba9180c26c8fa0aa9554df
CRs-Fixed: 907211

CORE/HDD/src/wlan_hdd_cfg80211.c

diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index ce12ac1..d64356b 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -16846,6 +16846,7 @@
     int responder;
     long rc;
     int ret;
+    hddTdlsPeer_t *pTdlsPeer;
 #if !(TDLS_MGMT_VERSION2) && (LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0))
     u32 peer_capability = 0;
 #endif
@@ -16990,7 +16991,6 @@
         }
         else
         {
-            hddTdlsPeer_t *pTdlsPeer;
             mutex_lock(&pHddCtx->tdls_lock);
             pTdlsPeer = wlan_hdd_tdls_find_peer(pAdapter, peer, FALSE);
             if (pTdlsPeer && TDLS_IS_CONNECTED(pTdlsPeer))
@@ -17015,8 +17015,6 @@
     if (SIR_MAC_TDLS_TEARDOWN == action_code)
     {
 
-       hddTdlsPeer_t *pTdlsPeer;
-
        mutex_lock(&pHddCtx->tdls_lock);
        pTdlsPeer = wlan_hdd_tdls_find_peer(pAdapter, peer, FALSE);
 
@@ -17034,6 +17032,24 @@
        mutex_unlock(&pHddCtx->tdls_lock);
     }
 
+    /* Discard TDLS setup if peer is removed by user app */
+    if ((pHddCtx->cfg_ini->fTDLSExternalControl) &&
+        ((SIR_MAC_TDLS_SETUP_REQ == action_code) ||
+        (SIR_MAC_TDLS_SETUP_CNF == action_code) ||
+        (SIR_MAC_TDLS_DIS_REQ == action_code))) {
+
+        mutex_lock(&pHddCtx->tdls_lock);
+        pTdlsPeer = wlan_hdd_tdls_find_peer(pAdapter, peer, FALSE);
+        if (pTdlsPeer && (FALSE == pTdlsPeer->isForcedPeer)) {
+            mutex_unlock(&pHddCtx->tdls_lock);
+            hddLog(LOGE, FL("TDLS External Control enabled, but peer "
+                   MAC_ADDRESS_STR " is not forced, so reject the action code %d"),
+                   MAC_ADDR_ARRAY(peer), action_code);
+            return -EINVAL;
+        }
+        mutex_unlock(&pHddCtx->tdls_lock);
+    }
+
     /* For explicit trigger of DIS_REQ come out of BMPS for
        successfully receiving DIS_RSP from peer. */
     if ((SIR_MAC_TDLS_SETUP_RSP == action_code) ||