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DroneCAN: update libcanard for semaphore bug fix

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it was possible for a runtime allocated subscriber, client or server
to trigger a call to a pure virtual handle_message function in the
HandlerList class as the constructor ordering inserts the handler into
the list before the vtable pointer is updated to the vtable for the
child class. The same issue happens on destructor

this could happen in a couple of places in ArduPilot:

 - the MPPT battery driver does runtime allocation of a client on an
 R/C switch
 - the DroneCAN_Serial client is started after the thread starts so
 packet processing is started

thanks to Thomas and Sid
This commit is contained in:
Andrew Tridgell 2025-03-04 13:20:01 +11:00 committed by Randy Mackay
parent 7e849180ba
commit 108bc0b3d7
1 changed files with 1 additions and 1 deletions
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modules/DroneCAN/libcanard

@ -1 +1 @@
Subproject commit 6f74bc67656882a4ee51966c7c0022d04fa1a3fb
Subproject commit 9b05a4d8eebf82684053d07e6d04fe2b0c922a6e