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[PATCH 2/7] mac80211: treat IBSS CSA finish failure seriously

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Other interface modes are checked against failure.
This should avoid false-positive channel switch
events where IBSS CSA actually failed.

Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
 net/mac80211/cfg.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 62bf6c4..76fe1f90 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3039,7 +3039,9 @@ static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
 			return;
 		break;
 	case NL80211_IFTYPE_ADHOC:
-		ieee80211_ibss_finish_csa(sdata);
+		err = ieee80211_ibss_finish_csa(sdata);
+		if (err < 0)
+			return;
 		break;
 #ifdef CONFIG_MAC80211_MESH
 	case NL80211_IFTYPE_MESH_POINT:
-- 
1.8.4.rc3

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