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Differential D58307

firewire: add warn-only CRC validation for CSR ROM directories
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Authored by seuros on Jul 17 2026, 4:39 PM.
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Reviewers
adrian
Group Reviewers
firewire
Commits
rGd3259935f778: firewire: add warn-only CRC validation for CSR ROM directories
Summary

Implemented crom_crc_valid() helper to validate IEEE 1394 config ROM CRC-16
checksums.

Skipped root header CRC validation since csrhdr.crc_len cover the entire
ROM body which is not fully read at header parse time. Per-directory
CRC checks below catch corruption where it needed.

Test Plan

adrian

Diff Detail

Repository
rG FreeBSD src repository
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Lint Passed
Unit
No Test Coverage
Build Status
Buildable 74891
Build 71774: arc lint + arc unit

Revision Contents
Changeset List

PathSize
sys/
dev/
firewire/
15 lines
5 lines
7 lines
5 lines
1 line

Diff 182144

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sys/dev/firewire/firewire.c

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sys/dev/firewire/fwcam.c

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sys/dev/firewire/fwcrom.c

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sys/dev/firewire/fwisound.c

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sys/dev/firewire/iec13213.h

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