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posixshm: Report output truncation from kern.ipc.posix_shm_list
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Authored by markj on Jan 16 2022, 10:33 PM.

Details

Summary

PR: 240573
MFC after: 1 week

Test Plan

posixshmcontrol ls still seems to work.

Diff Detail

Repository
R10 FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

kib added inline comments.
sys/kern/uipc_shm.c
2057

Or you could assign ENOMEN to error and break still. For oldptr != NULL you would do unneeded work, but this arguably does not matter.

This revision is now accepted and ready to land.Jan 16 2022, 10:41 PM
sys/kern/uipc_shm.c
2057

I wrote it that way first, but it seems nicer to keep the common case simple.