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

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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>
This commit is contained in:
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;
}
}