From patchwork Mon Aug 26 11:01:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 823111 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4592A1422C7 for ; Mon, 26 Aug 2024 11:01:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724670098; cv=none; b=RHcLgMQ8ejZj2HPDUWSIXB7gaS7F41o+wvWtEGdUvl4llfUrovRQsz+s86kxffFdfr6ibdI4s+E7r5uWSkJahgt6P2ytINVLDWn7c48lbNq8DKuvt0WQOH337xKEtuWKEUh4HthFCROCb/9/hChqHbV/UfwJcaW1O6SRUTs7DJM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724670098; c=relaxed/simple; bh=HyycuP4cCUQMchC02lkM7JaPCrNPz+2fYPV91IEocmk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tKnJfrscBmv0nDLNoAoQnIAVHKdcRphvtAjCVxDFtBPCGK1KoZmErcz6e0hfIgMrHOcCkq82cAOev/wOZmO9Bk/5GJh9CyJWmqex+3gxNxikDyicWwEoryZU1ldivaCDz/A8PziOhmIJgkM/wR9uxDjACD4EzHTlorFUOQh1XDs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1siXTY-00047S-JG; Mon, 26 Aug 2024 13:01:32 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1siXTX-003Ae2-Un; Mon, 26 Aug 2024 13:01:31 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1siXTX-004aRi-2q; Mon, 26 Aug 2024 13:01:31 +0200 From: Sascha Hauer Date: Mon, 26 Aug 2024 13:01:22 +0200 Subject: [PATCH 01/12] wifi: mwifiex: add missing locking Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240826-mwifiex-cleanup-1-v1-1-56e6f8e056ec@pengutronix.de> References: <20240826-mwifiex-cleanup-1-v1-0-56e6f8e056ec@pengutronix.de> In-Reply-To: <20240826-mwifiex-cleanup-1-v1-0-56e6f8e056ec@pengutronix.de> To: Brian Norris , Francesco Dolcini , Kalle Valo Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Sascha Hauer X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1724670091; l=1539; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=HyycuP4cCUQMchC02lkM7JaPCrNPz+2fYPV91IEocmk=; b=s5oQ7tVj6Okio0v1uYOKT/F0TTjgAKwB13aHx3KG+ER0YFWWL25F8oo90iMJELikgj4HAqTyv XlJDPH0hbKVCupMCw6iq1mNlICJ4r7Wfw+nyEuMaPA89mfN0j82vYHQ X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: s.hauer@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-wireless@vger.kernel.org cfg80211_rx_assoc_resp() and cfg80211_rx_mlme_mgmt() need to be called with the wiphy locked, so lock it before calling these functions. Signed-off-by: Sascha Hauer Reviewed-by: Francesco Dolcini --- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 2 ++ drivers/net/wireless/marvell/mwifiex/util.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index 7894102f03eb0..cdfb307e75131 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -938,8 +938,10 @@ void mwifiex_process_assoc_resp(struct mwifiex_adapter *adapter) assoc_resp.links[0].bss = priv->req_bss; assoc_resp.buf = priv->assoc_rsp_buf; assoc_resp.len = priv->assoc_rsp_size; + wiphy_lock(priv->wdev.wiphy); cfg80211_rx_assoc_resp(priv->netdev, &assoc_resp); + wiphy_unlock(priv->wdev.wiphy); priv->assoc_rsp_size = 0; } } diff --git a/drivers/net/wireless/marvell/mwifiex/util.c b/drivers/net/wireless/marvell/mwifiex/util.c index 42c04bf858da3..1f1f6280a0f25 100644 --- a/drivers/net/wireless/marvell/mwifiex/util.c +++ b/drivers/net/wireless/marvell/mwifiex/util.c @@ -494,7 +494,9 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, } } + wiphy_lock(priv->wdev.wiphy); cfg80211_rx_mlme_mgmt(priv->netdev, skb->data, pkt_len); + wiphy_unlock(priv->wdev.wiphy); } if (priv->adapter->host_mlme_enabled &&