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doc/release-notes: Add mcumgr note on fixing MGMT_ERR_ENOMEM issue

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The commit adds release notes on fixing github issue 44535,
which describes problem with incorrect use of MGMT_ERR_ENOMEM when
MGMT_ERR_EMSGSIZE should have been used.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
This commit is contained in:
Dominik Ermel 2022-05-26 10:16:24 +00:00 • committed by Marti Bolivar
commit 26b59d6d17
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doc/releases/release-notes-3.1.rst
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@ -388,6 +388,11 @@ Libraries / Subsystems
allowed or declined.
* Made the img mgmt ``img_mgmt_vercmp`` function public to allow application-
level comparison of image versions.
* mcumgr will now only return `MGMT_ERR_ENOMEM` when it fails to allocate
a memory buffer for request processing, when previously it would wrongly
report this error when the SMP response failed to fit into a buffer;
now when encoding of response fails `MGMT_ERR_EMSGSIZE` will be
reported. This addresses issue :github:`44535`.
* SD Subsystem