diff options
| author | Manikandan Mohan <manikand@codeaurora.org> | 2017-03-02 17:20:20 -0800 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2017-03-03 17:32:25 -0800 |
| commit | 7b1ea551959b612d7929ee04298eb08319cb889f (patch) | |
| tree | a3e3666e77467bad639c67e3c9605a04ec93cb58 | |
| parent | a0d5e928a559fd5014ede5fc34e66ddae58fbf40 (diff) | |
qcacld-3.0: Fix race condition on SAP close and driver exit
When hostapd close and wlan driver unload are happening in parallel
in different context, there could be a race condition in closing
adapter SAP context resulting in crash. Update to fix the crash
by protecting SAP close functions with lock.
Change-Id: I457b765d4932ad2c321fbc7e02f6ab4f289abb10
CRs-fixed: 2014663
| -rw-r--r-- | core/hdd/src/wlan_hdd_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/hdd/src/wlan_hdd_main.c b/core/hdd/src/wlan_hdd_main.c index c3a4102fd208..0963bab10e72 100644 --- a/core/hdd/src/wlan_hdd_main.c +++ b/core/hdd/src/wlan_hdd_main.c @@ -3778,7 +3778,6 @@ QDF_STATUS hdd_stop_adapter(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter, qdf_mem_free(adapter->sessionCtx.ap.beacon); adapter->sessionCtx.ap.beacon = NULL; } - mutex_unlock(&hdd_ctx->sap_lock); if (true == bCloseSession) hdd_wait_for_sme_close_sesion(hdd_ctx, adapter); @@ -3790,6 +3789,7 @@ QDF_STATUS hdd_stop_adapter(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter, hdd_err("Failed:WLANSAP_close"); adapter->sessionCtx.ap.sapContext = NULL; + mutex_unlock(&hdd_ctx->sap_lock); break; case QDF_OCB_MODE: |