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>

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 85d3d2034d437f8e10a3e07b7ce579e71e044980..cc78d3cba45e415be1f90e207b13d1c91ff92815 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2374,6 +2374,9 @@ 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;
        }