drivers/contactless/pn532: Fix potential overflow#19051
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Fixes a potential overflow where more than 16 bytes are written to the cmd_buffer. Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
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Summary
Fixes a potential overflow where more than 16 bytes are written to the cmd_buffer.
Impact
Closes #19036
Testing
I did not test this patch, but it is only an addition of a debug assert. If someone can test this (maybe the original reporter) that would be great, but logically this should not cause any regressions.