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Differential D48475

net80211: add IEEE80211_IS_LOCKED()
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Authored by bz on Jan 15 2025, 10:54 PM.
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Details

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adrian
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wireless
Commits
rG4eaf978df5e1: net80211: add IEEE80211_IS_LOCKED()
rG054c5ddf587a: net80211: add IEEE80211_IS_LOCKED()
Summary

When trying to sort out a teardown locking problem (downcall in the
driver can sleep) I found that the fan-out tree was getting too big
to fix net80211 locking per-se for this while working on entirely
different problems.
Add IEEE80211_IS_LOCKED() so the driver can check and un-/re-lock as
necessary (as we do in other cases already) to avoid panics on
debug kernels left and right.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

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rG FreeBSD src repository
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sys/
net80211/
2 lines

Diff 149315

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sys/net80211/ieee80211_freebsd.h

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