brcmfmac: fix reporting support for 160 MHz channels
authorRafał Miłecki <rafal@milecki.pl>
Thu, 8 Nov 2018 15:08:29 +0000 (16:08 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 1 Dec 2018 08:42:50 +0000 (09:42 +0100)
commit d1fe6ad6f6bd61c84788d3a7b11e459a439c6169 upstream.

Driver can report IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ so it's
important to provide valid & complete info about supported bands for
each channel. By default no support for 160 MHz should be assumed unless
firmware reports it for a given channel later.

This fixes info passed to the userspace. Without that change userspace
could try to use invalid channel and fail to start an interface.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Cc: stable@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

index 083e5ce..cd6c5ec 100644 (file)
@@ -6098,7 +6098,8 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
                         * for subsequent chanspecs.
                         */
                        channel->flags = IEEE80211_CHAN_NO_HT40 |
-                                        IEEE80211_CHAN_NO_80MHZ;
+                                        IEEE80211_CHAN_NO_80MHZ |
+                                        IEEE80211_CHAN_NO_160MHZ;
                        ch.bw = BRCMU_CHAN_BW_20;
                        cfg->d11inf.encchspec(&ch);
                        chaninfo = ch.chspec;