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wifi: mac80211: wake the queues in case of failure in resume

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[ Upstream commit 220bf000530f9b1114fa2a1022a871c7ce8a0b38 ]

In case we fail to resume, we'll WARN with
"Hardware became unavailable during restart." and we'll wait until user
space does something. It'll typically bring the interface down and up to
recover. This won't work though because the queues are still stopped on
IEEE80211_QUEUE_STOP_REASON_SUSPEND reason.
Make sure we clear that reason so that we give a chance to the recovery
to succeed.

Signed-off-by: Emmanuel Grumbach <[email protected]>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219447
Signed-off-by: Miri Korenblit <[email protected]>
Link: https://patch.msgid.link/20241119173108.cd628f560f97.I76a15fdb92de450e5329940125f3c58916be3942@changeid
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Emmanuel Grumbach 2024-11-19 17:35:39 +02:00 • committed by Greg Kroah-Hartman
commit 155f6a7e0a
1 changed files with 3 additions and 0 deletions
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3
net/mac80211/util.c
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@ -2209,6 +2209,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
WARN(1, "Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue.\n");
else
WARN(1, "Hardware became unavailable during restart.\n");
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
false);
ieee80211_handle_reconfig_failure(local);
return res;
}