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sound: Drop the topology lock after busying the device
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Authored by christos on Fri, Oct 9, 8:41 AM.
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Details

Reviewers
markj
emaste
kib
Summary

Hold the lock until the device is busied, after which pcm_unregister()
blocks and the softc cannot go away.

MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation

Diff Detail

Repository
rG FreeBSD src repository
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Unit
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Build Status
Buildable 77892
Build 74775: arc lint + arc unit