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

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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
This commit is contained in:
Rajeev Kumar Sirasanagandla 2017-07-25 20:35:20 +05:30 • committed by Nandini Suresh
commit 4c9b675e2f
1 changed files with 14 additions and 7 deletions
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21
core/hdd/src/wlan_hdd_wext.c
View file

@ -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;