diff options
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 78d9966a3957..0f5dde1f2248 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -5913,7 +5913,6 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, u32 i, j; u32 total; u32 chaninfo; - u32 index; pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); @@ -5961,33 +5960,36 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, ch.bw == BRCMU_CHAN_BW_80) continue; - channel = band->channels; - index = band->n_channels; + channel = NULL; for (j = 0; j < band->n_channels; j++) { - if (channel[j].hw_value == ch.control_ch_num) { - index = j; + if (band->channels[j].hw_value == ch.control_ch_num) { + channel = &band->channels[j]; break; } } - channel[index].center_freq = - ieee80211_channel_to_frequency(ch.control_ch_num, - band->band); - channel[index].hw_value = ch.control_ch_num; + if (!channel) { + /* It seems firmware supports some channel we never + * considered. Something new in IEEE standard? + */ + brcmf_err("Ignoring unexpected firmware channel %d\n", + ch.control_ch_num); + continue; + } /* assuming the chanspecs order is HT20, * HT40 upper, HT40 lower, and VHT80. */ if (ch.bw == BRCMU_CHAN_BW_80) { - channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; + channel->flags &= ~IEEE80211_CHAN_NO_80MHZ; } else if (ch.bw == BRCMU_CHAN_BW_40) { - brcmf_update_bw40_channel_flag(&channel[index], &ch); + brcmf_update_bw40_channel_flag(channel, &ch); } else { /* enable the channel and disable other bandwidths * for now as mentioned order assure they are enabled * for subsequent chanspecs. */ - channel[index].flags = IEEE80211_CHAN_NO_HT40 | - IEEE80211_CHAN_NO_80MHZ; + channel->flags = IEEE80211_CHAN_NO_HT40 | + IEEE80211_CHAN_NO_80MHZ; ch.bw = BRCMU_CHAN_BW_20; cfg->d11inf.encchspec(&ch); chaninfo = ch.chspec; @@ -5995,11 +5997,11 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, &chaninfo); if (!err) { if (chaninfo & WL_CHAN_RADAR) - channel[index].flags |= + channel->flags |= (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR); if (chaninfo & WL_CHAN_PASSIVE) - channel[index].flags |= + channel->flags |= IEEE80211_CHAN_NO_IR; } } |