From f4e183293b871c96c0220dcc549d5ca4c72628ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Mon, 11 Feb 2019 23:04:53 +0100 Subject: [PATCH] brcmfmac: improve code handling bandwidth of firmware reported channels MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 1) Use switch to simplify/improve the code & avoid some duplication 2) Add warning for unsupported values Signed-off-by: Rafał Miłecki Signed-off-by: Kalle Valo --- .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -6047,11 +6047,18 @@ static int brcmf_construct_chaninfo(stru /* assuming the chanspecs order is HT20, * HT40 upper, HT40 lower, and VHT80. */ - if (ch.bw == BRCMU_CHAN_BW_80) { + switch (ch.bw) { + case BRCMU_CHAN_BW_80: channel->flags &= ~IEEE80211_CHAN_NO_80MHZ; - } else if (ch.bw == BRCMU_CHAN_BW_40) { + break; + case BRCMU_CHAN_BW_40: brcmf_update_bw40_channel_flag(channel, &ch); - } else { + break; + default: + wiphy_warn(wiphy, "Firmware reported unsupported bandwidth %d\n", + ch.bw); + /* fall through */ + case BRCMU_CHAN_BW_20: /* enable the channel and disable other bandwidths * for now as mentioned order assure they are enabled * for subsequent chanspecs.