tree a2d81e3da67d6be20ce06b883b8ce91c1b53041d
parent be21dab0993a55559f27f42d7d6af6465bcdf704
author Steven Cooreman <steven.cooreman@silabs.com> 1620724153 +0200
committer Steven Cooreman <steven.cooreman@silabs.com> 1620752161 +0200

Be explicit about why the zero-length check is there

Since a valid mac operation context would guarantee that the stored
mac size is >= 4, it wasn't immediately obvious that the zero-length
check is meant for static analyzers and a bit of robustness.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>