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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2024-11-19 17:35:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-09 13:32:03 +0100
commit037ea0f28f9acfa2cecd8aec0e77097afb26e25d (patch)
tree325540746bd53483a00ecda793da4ec47a5631e0
parent86772872f9f5097cd03d0e1c6813238bd38c250b (diff)
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wifi: mac80211: wake the queues in case of failure in resume
[ 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 <emmanuel.grumbach@intel.com> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219447 Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20241119173108.cd628f560f97.I76a15fdb92de450e5329940125f3c58916be3942@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--net/mac80211/util.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cc3c46a82077..154b41af4157 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2586,6 +2586,9 @@ 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;
}