Commits on Oct 6, 2023

1. [nrf fromtree] Bluetooth: att: don't re-use the ATT buffer for confir… …

   …mations
   
   If the peer is a zephyr host, there is no problem, as the Zephyr
   host limits sending parallel REQs and INDs.
   
   But the spec allows sending those in parallel, and it may end up that
   the re-used REQ buffer hasn't been destroyed when an indication comes.
   
   Only re-use the buffer when enqueuing ATT responses.
   
   This means that we may run out of buffers if the peer sends too many
   indications and our application also sends a lot of commands/notifications.
   
   The rationale for this is that having to handle a lot of requests is a
   more plausible scenario (e.g. being discovered by multiple peers) than
   handling lots of parallel indications.
   
   Signed-off-by: Jonathan Rico <jonathan.rico@nordicsemi.no>
   (cherry picked from commit 7093538)

   

   jori-nordic committed Oct 6, 2023
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