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[PATCH 1/1] wireless: mac80211: Avoid using uninitialized stack data

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From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>

Avoid case where we would access uninitialized stack data if a driver
advertises HT support without 40MHz channel support.

Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
 net/mac80211/mlme.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 93af0f1..da1f639 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -174,6 +174,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	if (!(ht_cap->cap_info &
 	      cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))) {
 		ret = IEEE80211_STA_DISABLE_40MHZ;
+		vht_chandef = *chandef;
 		goto out;
 	}
 
-- 
1.9.3

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