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ath6kl: Don't advertise HT capability for incapable firmware

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With firmwares which do not support rsn capability override
(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE) from host would
cause 4-way handshake failure when HT cap is advertised.
To fix this, do not advertise HT cap with cfg80211 for
those fw.

kvalo: fix a checkpatch warning

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2012-04-25 12:38:18 +05:30 committed by Kalle Valo
parent 6251d8012d
commit 7fd1ce7eaf
1 changed files with 8 additions and 1 deletions
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9
drivers/net/wireless/ath/ath6kl/cfg80211.c
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@ -3496,7 +3496,14 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
return -EINVAL;
}
if (!ht) {
/*
* Even if the fw has HT support, advertise HT cap only when
* the firmware has support to override RSN capability, otherwise
* 4-way handshake would fail.
*/
if (!(ht &&
test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
ar->fw_capabilities))) {
ath6kl_band_2ghz.ht_cap.cap = 0;
ath6kl_band_2ghz.ht_cap.ht_supported = false;
ath6kl_band_5ghz.ht_cap.cap = 0;