commit 54447615ec8c43e811f0bbfbdbfdd846b6357fbe
author Rajeev Kumar Sirasanagandla <rsirasan@codeaurora.org> Tue Mar 06 15:49:56 2018 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Tue Mar 27 04:48:06 2018 -0700
tree 9a8cc9cf38738062422b1248978ef7bb1e68212c
parent 1efcd165d25cb411a3bf6738ddaf4f9f8cf9aed5

wlan: Fix SSR failure in STA + MON SCC

When SSR is triggered in STA + Mon SCC, during reset all adapters, Monitor
adapter is trying to acquire un-initialized sta_hash_lock which is
resulting in SSR failure

To fix this, initialize sta_hash_lock in hdd_init_mon_mode().

Change-Id: I271b2a9f68fd61250986066ed2217202636665a0
CRs-Fixed: 2201502

CORE/HDD/src/wlan_hdd_main.c

diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index 0270d8f..af0ed7d 100644
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -9221,8 +9221,11 @@
 void hdd_init_mon_mode (hdd_adapter_t *pAdapter)
  {
     hdd_mon_ctx_t *pMonCtx = NULL;
-    pMonCtx = WLAN_HDD_GET_MONITOR_CTX_PTR(pAdapter);
 
+    spin_lock_init(&pAdapter->sta_hash_lock);
+    pAdapter->is_sta_id_hash_initialized = VOS_FALSE;
+
+    pMonCtx = WLAN_HDD_GET_MONITOR_CTX_PTR(pAdapter);
     pMonCtx->state = 0;
     pMonCtx->ChannelNo = 1;
     pMonCtx->ChannelBW = 20;
@@ -14676,7 +14679,6 @@
    case VOS_P2P_CLIENT_MODE:
    case VOS_P2P_GO_MODE:
    case VOS_STA_SAP_MODE:
-   case VOS_MONITOR_MODE:
         pHddCtx->no_of_active_sessions[mode]++;
         break;
    default:
@@ -14711,7 +14713,6 @@
    case VOS_P2P_CLIENT_MODE:
    case VOS_P2P_GO_MODE:
    case VOS_STA_SAP_MODE:
-   case VOS_MONITOR_MODE:
         if (pHddCtx->no_of_active_sessions[mode] > 0)
             pHddCtx->no_of_active_sessions[mode]--;
         else