wlan: avoid race condition while accessing wpalPacketAvailableCB
wpalPacketAvailableCB can be called from the MC_Thread as well
as the RX_Thread, the race condition can occur when the callback
is called from the MC_Thread and immediately set to NULL after
the function returns and in between that the RX_Thread running
on another core has detected a low resource condition and set
wpalPacketAvailableCB before the MC_Thread sets it to NULL.
To avoid the race conditions always set/reset the values to
wpalPacketAvailableCB in RX_thread only.
Change-Id: Idb1700287186df4b3ede45324cfa2062b1b81d9e
CRs-Fixed: 599184
1 file changed