Return-path: Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:17912 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753527AbbLJMnV (ORCPT ); Thu, 10 Dec 2015 07:43:21 -0500 From: Arend van Spriel To: Kalle Valo CC: linux-wireless , Arend van Spriel Subject: [PATCH V2 07/13] brcmfmac: no interface combination check for single interface Date: Thu, 10 Dec 2015 13:43:06 +0100 Message-ID: <1449751392-32569-8-git-send-email-arend@broadcom.com> (sfid-20151210_134326_385285_64E0C2A5) In-Reply-To: <1449751392-32569-1-git-send-email-arend@broadcom.com> References: <1449751392-32569-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: The interface combinations are intended for use-case in which the driver handles multiple interface concurrently. This means that the combinations do not need to be checked when there is only a single interface active. Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- .../net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 8557566..3ac5cf7 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -396,15 +396,23 @@ static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg, { int iftype_num[NUM_NL80211_IFTYPES]; struct brcmf_cfg80211_vif *pos; + bool check_combos = false; + int ret = 0; memset(&iftype_num[0], 0, sizeof(iftype_num)); list_for_each_entry(pos, &cfg->vif_list, list) - if (pos == vif) + if (pos == vif) { iftype_num[new_type]++; - else + } else { + /* concurrent interfaces so need check combinations */ + check_combos = true; iftype_num[pos->wdev.iftype]++; + } - return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); + if (check_combos) + ret = cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); + + return ret; } static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg, -- 1.9.1