Return-path: Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:29318 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752334AbaKKM67 (ORCPT ); Tue, 11 Nov 2014 07:58:59 -0500 From: Arend van Spriel To: "John W. Linville" CC: linux-wireless , Arend van Spriel , Subject: [PATCH for-3.18] brcmfmac: fix conversion of channel width 20MHZ_NOHT Date: Tue, 11 Nov 2014 13:58:44 +0100 Message-ID: <1415710735-7184-1-git-send-email-arend@broadcom.com> (sfid-20141111_135910_289871_261620CF) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: The function chandef_to_chanspec() failed when converting a chandef with bandwidth set to NL80211_CHAN_WIDTH_20_NOHT. This was reported by user running the device in AP mode. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 304 at drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c:381 chandef_to_chanspec.isra.11+0x158/0x184() Modules linked in: CPU: 0 PID: 304 Comm: hostapd Not tainted 3.16.0-rc7-abb+g64aa90f #8 [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (warn_slowpath_common+0x6c/0x8c) [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [] (warn_slowpath_null) from [] (chandef_to_chanspec.isra.11+0x158/0x184) [] (chandef_to_chanspec.isra.11) from [] (brcmf_cfg80211_start_ap+0x1e4/0x614) [] (brcmf_cfg80211_start_ap) from [] (nl80211_start_ap+0x288/0x414) [] (nl80211_start_ap) from [] (genl_rcv_msg+0x21c/0x38c) [] (genl_rcv_msg) from [] (netlink_rcv_skb+0xac/0xc0) [] (netlink_rcv_skb) from [] (genl_rcv+0x20/0x34) [] (genl_rcv) from [] (netlink_unicast+0x150/0x20c) [] (netlink_unicast) from [] (netlink_sendmsg+0x2b8/0x398) [] (netlink_sendmsg) from [] (sock_sendmsg+0x84/0xa8) [] (sock_sendmsg) from [] (___sys_sendmsg.part.29+0x268/0x278) [] (___sys_sendmsg.part.29) from [] (__sys_sendmsg+0x4c/0x7c) [] (__sys_sendmsg) from [] (ret_fast_syscall+0x0/0x44) ---[ end trace 965ee2158c9905a2 ]--- Cc: stable@vger.kernel.org # v3.17 Reported-by: Pontus Fuchs Reviewed-by: Hante Meuleman Reviewed-by: Daniel (Deognyoun) Kim Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 28fa25b..39b45c0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -299,6 +299,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, primary_offset = ch->center_freq1 - ch->chan->center_freq; switch (ch->width) { case NL80211_CHAN_WIDTH_20: + case NL80211_CHAN_WIDTH_20_NOHT: ch_inf.bw = BRCMU_CHAN_BW_20; WARN_ON(primary_offset != 0); break; @@ -323,6 +324,10 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, ch_inf.sb = BRCMU_CHAN_SB_LU; } break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + case NL80211_CHAN_WIDTH_5: + case NL80211_CHAN_WIDTH_10: default: WARN_ON_ONCE(1); } @@ -333,6 +338,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, case IEEE80211_BAND_5GHZ: ch_inf.band = BRCMU_CHAN_BAND_5G; break; + case IEEE80211_BAND_60GHZ: default: WARN_ON_ONCE(1); } -- 1.9.1