tree 1182ec81eda0e22c5fea9428e1572ea93e4715cb
parent 4d3453a34b496256eaf2de5b24cb7d928e2ce7ab
author Himanshu Agarwal <himanaga@codeaurora.org> 1522145169 +0530
committer nshrivas <nshrivas@codeaurora.org> 1526508835 -0700

qcacld-3.0: Release WM status change cmd after eWNI_SME_DISCONNECT_DONE_IND

When deauth is received from AP, while processing of deauth frame,
WM status change command is queued in SME command pending list with
priority set as true in which DEL_BSS and DEL_STA happens leading to
VDEV_STOP AND VDEV_DOWN correspondingly.

When disconnect is issued from upper layer, ROAM command with reason
eCsrForcedDisassoc gets queued in SME command pending list with priority
set as true which performs DEL_BSS nad DEL_STA and then
eSmeCommandDelStaSession SME command is queued with priority set as false
which performs DEL_SELF_STA.

If disconnect is issued from upper layer and deauth is received from AP at
the same time, it might happen that ROAM SME command and
eSmeCommandDelStaSession SME command gets queued in SME command pending
list but WM status change command gets queued on top of these as priority
is set to true before the former commands can be processed. While
processiing of WM status change command, eWNI_SME_DEAUTH_CNF msg gets
queued in SME message queue which queues WMA_DELETE_BSS_REQ in WMA msg
queue. If WM staus change command is released just after
eWNI_SME_DEAUTH_CNF is posted, it might happen that Roam and
eSmeCommandDelStaSession SME commands from SME command pending list gets
processed first which will queue WMA_DEL_STA_SELF_REQ in WMA msg queue
before eWNI_SME_DEAUTH_CNF gets processed and queue WMA_DELETE_BSS_REQ
in WMA msg queue. This leads to processing of WMA_DEL_STA_SELF_REQ before
WMA_DELETE_BSS_REQ causing assert as this is unexpected behaviour.

Release WM status change command only after eWNI_SME_DISCONNECT_DONE_IND
which happens after WMA_DELETE_BSS_REQ and WMA_DELETE_STA_REQ gets
processed so that ROAM and eSmeCommandDelStaSession SME commands gets to
process only after processing of DEL_BSS and DEL_STA and so
WMA_DEL_STA_SELF_REQ will always be processed after WMA_DELETE_BSS_REQ
avoidong system assert.

Change-Id: Iec0176fecf218e07f31b258c0dc52aefb480defe
CRs-Fixed: 2211622