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mwifiex: fix invalid HT IE configuration in FW

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This patch fixes an issue where it was discovered that driver is setting
invalid HT IEs to FW. This was happening because bug in parsing HT IE.
Driver would incorrectly point to start of HT IE while FW only needs actual
HT configuration - excluding EID and length.

Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Zhaoyang Liu 2015-04-13 21:32:25 +05:30 committed by Kalle Valo
parent 31a09a5d34
commit 9ab7b5b9b1
2 changed files with 6 additions and 3 deletions
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2
drivers/net/wireless/mwifiex/uap_cmd.c
View File

@ -167,7 +167,7 @@ mwifiex_set_ht_params(struct mwifiex_private *priv,
ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
params->beacon.tail_len);
if (ht_ie) {
memcpy(&bss_cfg->ht_cap, ht_ie,
memcpy(&bss_cfg->ht_cap, ht_ie + 2,
sizeof(struct ieee80211_ht_cap));
cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
memset(&bss_cfg->ht_cap.mcs, 0,

7
drivers/net/wireless/mwifiex/util.c
View File

@ -536,13 +536,16 @@ void
mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
int ies_len, struct mwifiex_sta_node *node)
{
struct ieee_types_header *ht_cap_ie;
const struct ieee80211_ht_cap *ht_cap;
if (!ies)
return;
ht_cap = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
if (ht_cap) {
ht_cap_ie = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies,
ies_len);
if (ht_cap_ie) {
ht_cap = (void *)(ht_cap_ie + 1);
node->is_11n_enabled = 1;
node->max_amsdu = le16_to_cpu(ht_cap->cap_info) &
IEEE80211_HT_CAP_MAX_AMSDU ?