ath6kl: Configure 0 as rsn cap when it is not there in rsn ie

Currently rsn capability is not set when it is not available in
rsn IE. Set it to 0 in firmware when it is not there in the ie to
make sure host and target are consistent.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

1 files changed, 13 insertions, 7 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 6b6bf938feef..12f2f616d380 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2582,28 +2582,34 @@ static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
         /* skip element id and length */
         rsn_ie += 2;
 
-        /* skip version, group cipher */
-        if (rsn_ie_len < 6)
+        /* skip version */
+        if (rsn_ie_len < 2)
                 return -EINVAL;
-        rsn_ie +=  6;
-        rsn_ie_len -= 6;
+        rsn_ie +=  2;
+        rsn_ie_len -= 2;
+
+        /* skip group cipher suite */
+        if (rsn_ie_len < 4)
+                return 0;
+        rsn_ie +=  4;
+        rsn_ie_len -= 4;
 
         /* skip pairwise cipher suite */
         if (rsn_ie_len < 2)
-                return -EINVAL;
+                return 0;
         cnt = get_unaligned_le16(rsn_ie);
         rsn_ie += (2 + cnt * 4);
         rsn_ie_len -= (2 + cnt * 4);
 
         /* skip akm suite */
         if (rsn_ie_len < 2)
-                return -EINVAL;
+                return 0;
         cnt = get_unaligned_le16(rsn_ie);
         rsn_ie += (2 + cnt * 4);
         rsn_ie_len -= (2 + cnt * 4);
 
         if (rsn_ie_len < 2)
-                return -EINVAL;
+                return 0;
 
         memcpy(rsn_capab, rsn_ie, 2);