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qcacld-3.0: Flush scheduler message queues before htc_stop

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There is a window where wmi commands are reaching HTC while HTC is
getting stopped in other context irrespective of wma_wmi_stop() which
will lead to memory leaks.

To avoid this issue, flush all scheduler message queues before
proceeding to htc_stop.

Change-Id: I4d0742d7b9df6a9b0401fd4e840ff6a667d353da
CRs-Fixed: 2352291
This commit is contained in:
Rakshith Suresh Patkar 2018-11-20 13:03:43 +05:30 • committed by nshrivas
commit ba55fd097f
1 changed files with 7 additions and 0 deletions
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7
core/cds/src/cds_api.c
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@ -36,6 +36,7 @@
#include "wlan_hdd_power.h"
#include "wlan_hdd_tsf.h"
#include <linux/vmalloc.h>
#include <scheduler_core.h>
#include "pld_common.h"
#include "sap_api.h"
@ -1050,6 +1051,7 @@ QDF_STATUS cds_post_disable(void)
tp_wma_handle wma_handle;
struct hif_opaque_softc *hif_ctx;
struct cdp_pdev *txrx_pdev;
struct scheduler_ctx *sched_ctx;
wma_handle = cds_get_context(QDF_MODULE_ID_WMA);
if (!wma_handle) {
@ -1069,6 +1071,11 @@ QDF_STATUS cds_post_disable(void)
return QDF_STATUS_E_INVAL;
}
/* flush any unprocessed scheduler messages */
sched_ctx = scheduler_get_context();
if (sched_ctx)
scheduler_queues_flush(sched_ctx);
/*
* With new state machine changes cds_close can be invoked without
* cds_disable. So, send the following clean up prerequisites to fw,