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qcacld-3.0: Flush the recovery work as a part of idle shutdown

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During idle shutdown(T1 Thread), Driver sends the PDEV
suspend command to FW. If ACK is not received, driver initiates
the work for self recovery. As a part of self recovery(T2 thread)
driver allocates  the memory and sends the force fw hang cmd and
wait for the event.
T1 thread continues and stop all the modules and check for mem leaks.
Since t2 thread is not completed and free the memory, the crash
happens as a part of mem leak check.

Fix this race condition by cancelling and flushing the recovery work
in cds close.

CRs-Fixed: 2730021
Change-Id: Ieffff621e0838b341531c5b7feda1277ee4f70fd
This commit is contained in:
Sachin Ahuja 2020-07-21 21:34:02 +05:30 • committed by snandini
commit e03b460045
1 changed files with 2 additions and 0 deletions
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2
core/cds/src/cds_api.c
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@ -1306,6 +1306,8 @@ QDF_STATUS cds_close(struct wlan_objmgr_psoc *psoc)
dispatcher_psoc_close(psoc);
qdf_flush_work(&gp_cds_context->cds_recovery_work);
qdf_status = wma_wmi_work_close();
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
cds_err("Failed to close wma_wmi_work");