From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 90715E7E64B for ; Tue, 26 Sep 2023 16:34:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=rLLT8DeY/5Gm9fUz+O7bx42smffhwaiHvkBASnjXfIo=; b=HUwAAxNjlanXgw 1WCbW8zqNKnkzRJ6+nVKGL6W6d+VBc3+yd7jsmE6FrRsdw6Ll6j5rNRffJarV3z1pjyX01BqPDDoT 7DbgyPYGlaaYImrMy0ZDTPNFqStwMrQENyo5B3bRfh0h6TYCo/OUyu1rP3eXw8/nL8h2ktR59ZBxe OP9PPsS2evqdDVszF/h2oWDQ3MHfQYKS0cPqIs/+tXOiNTOy/onarTVJkbKWB7pJoNmXoGnGCDtDf pxoVvfRb5YyrXk1wjX9QDkIHf9ewArbhgQt/itfex5HtM6fMfdZwn+yC2Q4YyR0mc8w0EWx7eEeXH Rzkbv6k/MdUBD2HbmvqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlB0Y-00GiqO-22; Tue, 26 Sep 2023 16:33:58 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qlB0V-00Gipl-2z for ath11k@lists.infradead.org; Tue, 26 Sep 2023 16:33:57 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id 03BB3B81155 for ; Tue, 26 Sep 2023 16:33:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2124C433C7; Tue, 26 Sep 2023 16:33:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695746033; bh=IvKOdEnBJNQyWkBCU4bVbujBnX9sEpD8UoOjF/qG9Ww=; h=From:To:Cc:Subject:Date:From; b=UV1ZoIUAArrZkb7hQWKPAXKrQ5FSLd6Pin1aECc2JD2BcZb81TgYX026LK/4plSe9 xBaaP4hKE+TgUdpUu2vgoZN9RSiBrA+x476Z1B3O/ABXAwWDu2NGTHsk4qljARV44M uB8kJPvu2eGd1MfQKi1tEzWnCmIOK0vpO7oJUyW2sA7hL5dQ31OGs+Z1gNtDrao3ip 2TrBjSnbD6WWQdBLiQIgURmRfl6yZAXtoOau5xHGOkfND8ht6z+qJA8kFGxCt5mbFI xHyJa0UDN+u/uoPKFuBP6twr/iij//YsM2l5iYjaDYRONd+q4PU2+VKiv0TMY+lqS6 hJkRxk1nxi/WQ== From: Kalle Valo To: ath11k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH v2] wifi: ath11k: mac: fix struct ieee80211_sband_iftype_data handling Date: Tue, 26 Sep 2023 19:33:50 +0300 Message-Id: <20230926163350.2641064-1-kvalo@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230926_093356_272288_F4CACED0 X-CRM114-Status: GOOD ( 11.22 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+ath11k=archiver.kernel.org@lists.infradead.org From: Kalle Valo Commit e8c1841278a7 ("wifi: cfg80211: annotate iftype_data pointer with sparse") added sparse checks for struct ieee80211_sband_iftype_data handling which immediately found an issue in ath11k: drivers/net/wireless/ath/ath11k/mac.c:7952:22: warning: incorrect type in argument 1 (different address spaces) drivers/net/wireless/ath/ath11k/mac.c:7952:22: expected struct ieee80211_sta_he_cap const *he_cap drivers/net/wireless/ath/ath11k/mac.c:7952:22: got struct ieee80211_sta_he_cap const [noderef] __iftype_data * The problem here is that we are accessing sband->iftype_data directly even though we should use for_each_sband_iftype_data() or similar. Fortunately there's ieee80211_get_he_iftype_cap_vif() which is just we need here so use it to get HE capabilities. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23 Reported-by: Johannes Berg Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath11k/mac.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index c071bf5841af..79059c42e730 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -7910,12 +7910,14 @@ ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap *he_cap) static bool ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar, + struct ath11k_vif *arvif, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask, int *nss) { struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); + const struct ieee80211_sta_he_cap *he_cap; u16 he_mcs_map = 0; u8 ht_nss_mask = 0; u8 vht_nss_mask = 0; @@ -7946,7 +7948,8 @@ ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar, return false; } - he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(&sband->iftype_data->he_cap)); + he_cap = ieee80211_get_he_iftype_cap_vif(sband, arvif->vif); + he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(he_cap)); for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) { if (mask->control[band].he_mcs[i] == 0) @@ -8362,7 +8365,7 @@ ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, ieee80211_iterate_stations_atomic(ar->hw, ath11k_mac_disable_peer_fixed_rate, arvif); - } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, band, mask, + } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, arvif, band, mask, &single_nss)) { rate = WMI_FIXED_RATE_NONE; nss = single_nss; base-commit: 73e13f6a439b75a9dbc84bbfa0b0d6624b354853 -- 2.39.2 -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k