fwcontrol: Disable -Wzero-length-bounds warnings.
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Authored by jhb on Nov 29 2022, 7:51 PM.

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emaste
imp

Commits

rG0345952b9e44: fwcontrol: Disable -Wzero-length-bounds warnings.
rGaa9ce62be54f: fwcontrol: Disable -Wzero-length-bounds warnings.

Summary

firewire.h includes zero length arrays in unions that trigger this
warning.

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 48539
Build 45425: arc lint + arc unit

Event Timeline

jhb requested review of this revision.Nov 29 2022, 7:51 PM

jhb created this revision.

Harbormaster completed remote builds in B48539: Diff 113625.Nov 29 2022, 7:51 PM

jhb added a parent revision: D37537: bsd.sys.mk: Add NO_WZERO_LENGTH_BOUNDS helper variable..Nov 29 2022, 7:51 PM

We likely should rework those, but firewire is on deck for retirement...

This revision is now accepted and ready to land.Nov 29 2022, 8:16 PM

Agree it doesn't make sense to spend effort on fixing firewire, it will just be retired in the future.

In D37538#853717, @emaste wrote:

Agree it doesn't make sense to spend effort on fixing firewire, it will just be retired in the future.

The pattern also isn't easy to fix. I have slightly less kind words later in my patches when I get to the kernel where I have to disable this warning for the entire kernel due to the OFED and Mellanox drivers using zero length array members of structs as a horrible hack.

Closed by commit rGaa9ce62be54f: fwcontrol: Disable -Wzero-length-bounds warnings. (authored by jhb). · Explain WhyDec 5 2022, 12:31 AM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rGaa9ce62be54f: fwcontrol: Disable -Wzero-length-bounds warnings..

jhb added a commit: rG0345952b9e44: fwcontrol: Disable -Wzero-length-bounds warnings..May 3 2023, 12:30 AM