Ver Fonte

qcacld-3.0: Avoid auto phy mode for ini specific band

When specific band is set from ini file and if user is trying to change
phy mode to auto with iwpriv command, crash is seen.

To fix this, avoid eCSR_DOT11_MODE_AUTO when BandCapability is set.

Change-Id: Ieaaa1dddfafbed2fdf51b7c924977b02077f01b6
CRs-Fixed: 2082166
Rajeev Kumar Sirasanagandla há 7 anos atrás
pai
commit
4c9b675e2f
1 ficheiros alterados com 14 adições e 7 exclusões
  1. 14 7
      core/hdd/src/wlan_hdd_wext.c

+ 14 - 7
core/hdd/src/wlan_hdd_wext.c

@@ -7784,12 +7784,18 @@ int wlan_hdd_update_phymode(struct net_device *net, tHalHandle hal,
 			retval = -EIO;
 			goto free;
 		}
-		if (phddctx->config->nChannelBondingMode5GHz)
-			phddctx->wiphy->bands[HDD_NL80211_BAND_5GHZ]->ht_cap.cap
-				|= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
-		else
-			phddctx->wiphy->bands[HDD_NL80211_BAND_5GHZ]->ht_cap.cap
-				&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+
+		if (band_5g) {
+			struct ieee80211_supported_band *band;
+
+			band = phddctx->wiphy->bands[HDD_NL80211_BAND_5GHZ];
+			if (phddctx->config->nChannelBondingMode5GHz)
+				band->ht_cap.cap |=
+					IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+			else
+				band->ht_cap.cap &=
+					~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+		}
 
 		hdd_debug("New_Phymode= %d ch_bonding=%d band=%d VHT_ch_width=%u",
 			phymode, chwidth, curr_band, vhtchanwidth);
@@ -12755,7 +12761,8 @@ int hdd_reg_set_band(struct net_device *dev, u8 ui_band)
 	hdd_debug("change band to %u", band);
 
 	if ((band == BAND_2G && hdd_ctx->config->nBandCapability == 2) ||
-	    (band == BAND_5G && hdd_ctx->config->nBandCapability == 1)) {
+	    (band == BAND_5G && hdd_ctx->config->nBandCapability == 1) ||
+	    (band == BAND_ALL && hdd_ctx->config->nBandCapability != 0)) {
 		hdd_err("band value %u violate INI settings %u",
 			  band, hdd_ctx->config->nBandCapability);
 		return -EIO;