Bluetooth: Stop BCSP/H5 timer before cleaning up
When stopping BCSP/H5, stop the retransmission timer before proceeding to clean up packet queues. The previous code had a race condition where the timer could trigger after the packet lists and protocol structure had been removed which led to dereferencing NULL or use-after-free bugs. Signed-off-by: Michael Knudsen <m.knudsen@samsung.com> Reported-by: Kirill Tkhai <ktkhai@parallels.com> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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