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Differential D48156

sound: Do not return an error from chn_notify() if the children list is empty
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Authored by christos on Dec 19 2024, 11:20 PM.
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markj
emaste
dev_submerge.ch
Commits
rGa86dfa429690: sound: Do not return an error from chn_notify() if the children list is empty
rG164651f16c86: sound: Do not return an error from chn_notify() if the children list is empty
Summary

An empty children list does not mean that there is an error.

Reported by: Florian Walpen <dev@submerge.ch>
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

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rG FreeBSD src repository
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Event Timeline

christos created this revision.Dec 19 2024, 11:20 PM
Herald added a subscriber: imp. · View Herald TranscriptDec 19 2024, 11:20 PM
christos requested review of this revision.Dec 19 2024, 11:20 PM
Harbormaster completed remote builds in B61274: Diff 148266.Dec 19 2024, 11:20 PM
christos mentioned this in D47917: sound: Allocate vchans on-demand.Dec 19 2024, 11:20 PM
christos added a child revision: D47917: sound: Allocate vchans on-demand.Dec 19 2024, 11:23 PM
dev_submerge.ch accepted this revision.Dec 24 2024, 12:38 PM

I can confirm that this fixes the panic experienced with D47917, and I don't see anything else that could be affected by the change in return value. Thank you!

This revision is now accepted and ready to land.Dec 24 2024, 12:38 PM
christos added a comment.Dec 24 2024, 5:20 PM
In D48156#1098827, @dev_submerge.ch wrote:

I can confirm that this fixes the panic experienced with D47917, and I don't see anything else that could be affected by the change in return value. Thank you!

Thank you for proposing this. :-)

Closed by commit rG164651f16c86: sound: Do not return an error from chn_notify() if the children list is empty (authored by christos). · Explain WhyFeb 25 2025, 11:48 AM
This revision was automatically updated to reflect the committed changes.
christos added a commit: rG164651f16c86: sound: Do not return an error from chn_notify() if the children list is empty.
christos added a commit: rGa86dfa429690: sound: Do not return an error from chn_notify() if the children list is empty.Mar 4 2025, 3:47 PM

Revision Contents
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PathSize
sys/
dev/
sound/
pcm/
2 lines

Diff 151457

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sys/dev/sound/pcm/channel.c

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