From patchwork Fri Dec 6 17:37:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thadeu Lima de Souza Cascardo X-Patchwork-Id: 848440 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (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 8A10B220681 for ; Fri, 6 Dec 2024 17:37:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733506655; cv=none; b=IOwAsqP97/JutPs1+F2RcqlZfczV/8RH/Av3IQWPVmvTLBoMgygEZzSiky2pYyqLldLxngy16Uso3l2k5VoiOxGbmqB8BrLjLVWxbYLgmCW4BoC6yIT4zdMXCMWB7TCNqOFFMsA6HhmMHyOuNZYSUyO6DwCi56Cb+rUdwvLqzXk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733506655; c=relaxed/simple; bh=XGSFzxqydBr/BRLH3yl4/6KKfht8h5pvy2KmMtnb1iM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=SBvUEIauH8cEE7O/aLPyr/DoxG9HRKpAwXgDyfdKIcWhs16pCM1hfDjUwqrWlTGuQJ2/VsaAo8/wABEceKtvC0pIA7rhES02aK2IvUrnPVxdDydj2WCu0wUNjgKdZN5SXgXMg7K5xLSA/NKhSkun7MU9MJAe9B2SMaOiaTAvR20= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=GGLSJGUa; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="GGLSJGUa" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=TbG1gmL3r5F6gkhA9wY7qJE5eGvrbMZAFMd1dwxoWQ4=; b=GGLSJGUaP29j2dZYlsA4IW+nAp YDIr8Q0y23rzZD9xfmraV0Z+ZiMMBCM2r6yTA2LUPesmxAp8AjERtXVMDfJltxa5uFEQyXftbgTpB R0xDOokLm3RCurwyfvL2dgIi+ceP2jRH6K/XzLxz1TtpJrkN2Uv55MVMgkdLVs9Vx+Ue1115Wf5kW RZ6//QChRXN1mVyFWcKWl01XLx4M795OBsXPkqod7hmZQprkbVdM/PFSFYw7rsaTIlhJ1NMRpG1Op dXgIUTSxOgXM4YfzstnIx695FHhD43GZWSDv6DIr+RJEkKarI57QpX+3JfmFcBiLugdVknY7xyTE+ jdkpztwA==; Received: from 179-125-79-245-dinamico.pombonet.net.br ([179.125.79.245] helo=localhost.localdomain) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1tJcGh-00HUvD-6p; Fri, 06 Dec 2024 18:37:31 +0100 From: Thadeu Lima de Souza Cascardo To: linux-wireless@vger.kernel.org Cc: Ping-Ke Shih , Kalle Valo , kernel-dev@igalia.com, Thadeu Lima de Souza Cascardo Subject: [PATCH v2 4/4] wifi: rtlwifi: pci: wait for firmware loading before releasing memory Date: Fri, 6 Dec 2024 14:37:13 -0300 Message-Id: <20241206173713.3222187-5-cascardo@igalia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241206173713.3222187-1-cascardo@igalia.com> References: <20241206173713.3222187-1-cascardo@igalia.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 At probe error path, the firmware loading work may have already been queued. In such a case, it will try to access memory allocated by the probe function, which is about to be released. In such paths, wait for the firmware worker to finish before releasing memory. Fixes: 3d86b93064c7 ("rtlwifi: Fix PCI probe error path orphaned memory") Signed-off-by: Thadeu Lima de Souza Cascardo --- drivers/net/wireless/realtek/rtlwifi/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index a870117cf12a..0eafc4d125f9 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -2218,6 +2218,7 @@ int rtl_pci_probe(struct pci_dev *pdev, fail4: rtl_deinit_core(hw); fail3: + wait_for_completion(&rtlpriv->firmware_loading_complete); rtlpriv->cfg->ops->deinit_sw_vars(hw); fail2: