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iwlwifi: mvm: fix pointer reference when setting HE QAM thres 

Pointer referencing when setting HE QAM thresholds (when nominal
packet padding bit is on) caused kernel crash due to bad
referencing. Fix that.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
hifive-unleashed-5.2
Liad Kaufman 2019-02-20 05:05:00 +02:00 committed by Luca Coelho
parent 4c704534c3
commit 0bfefe2f41
1 changed files with 6 additions and 4 deletions
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10
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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@ -2339,16 +2339,18 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
/* Set the PPE thresholds accordingly */
if (low_th >= 0 && high_th >= 0) {
u8 ***pkt_ext_qam =
(void *)sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th;
struct iwl_he_pkt_ext *pkt_ext =
(struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext;
for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
u8 bw;
for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX;
bw++) {
pkt_ext_qam[i][bw][0] = low_th;
pkt_ext_qam[i][bw][1] = high_th;
pkt_ext->pkt_ext_qam_th[i][bw][0] =
low_th;
pkt_ext->pkt_ext_qam_th[i][bw][1] =
high_th;
}
}