[PATCH] wifi: mac80211: cancel color change finalize work when link is stopped

[Michael-CY Lee]

The color change finalize work might be called after the link is
stopped, which might lead to a kernel crash.

Signed-off-by: Michael-CY Lee <michael-cy.lee at mediatek.com>
---
 net/mac80211/link.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index 2e6e92defbca..1a211b8d4057 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -71,6 +71,8 @@ void ieee80211_link_stop(struct ieee80211_link_data *link)
 		ieee80211_mgd_stop_link(link);
 
 	cancel_delayed_work_sync(&link->color_collision_detect_work);
+	wiphy_work_cancel(link->sdata->local->hw.wiphy,
+			  &link->color_change_finalize_work);
 	wiphy_work_cancel(link->sdata->local->hw.wiphy,
 			  &link->csa.finalize_work);
 	ieee80211_link_release_channel(link);
-- 
2.25.1