From patchwork Mon Sep 13 13:15:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 510402 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B73B8C433FE for ; Mon, 13 Sep 2021 14:41:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A047260F9B for ; Mon, 13 Sep 2021 14:41:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347830AbhIMOmh (ORCPT ); Mon, 13 Sep 2021 10:42:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:57352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347250AbhIMOk1 (ORCPT ); Mon, 13 Sep 2021 10:40:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B2BF76187C; Mon, 13 Sep 2021 13:56:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631541364; bh=9t8GuoK5hHe4bY+kj8WwJWralFiOKg5R9hJvMrIENWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a6olJaKGSYyh5f1Ik53p1GOiWtdquDDn058FGxLgkdQysa640Ynt8v6VBpBSUMAWC jR8LjD2CG4Ge3pG30FYQZVzsq1Xgmdm2WVQ7wCuG+w8HGBPoFGA98QxCUaiJIYRPxX 1/Gf0eVmd9gj6gJ+C66EO97Y+Z5yzy+7aF5ThI0Q= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Abhishek Naik , Luca Coelho , Sasha Levin Subject: [PATCH 5.14 267/334] iwlwifi: skip first element in the WTAS ACPI table Date: Mon, 13 Sep 2021 15:15:21 +0200 Message-Id: <20210913131122.451091856@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131113.390368911@linuxfoundation.org> References: <20210913131113.390368911@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Abhishek Naik [ Upstream commit 19426d54302e199b3fd2d575f926a13af66be2b9 ] By mistake we were considering the first element of the WTAS wifi package as part of the data we want to rid, but that element is the wifi package signature (always 0x07), so it should be skipped. Change the code to read the data starting from element 1 instead. Signed-off-by: Abhishek Naik Fixes: 28dd7ccdc56f ("iwlwifi: acpi: read TAS table from ACPI and send it to the FW") Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20210805141826.ff8148197b15.I70636c04e37b2b57a5df3ce611511f62203d27a7@changeid Signed-off-by: Luca Coelho Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index 34933f133a0a..66f8d949c1e6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -264,7 +264,7 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, goto out_free; } - enabled = !!wifi_pkg->package.elements[0].integer.value; + enabled = !!wifi_pkg->package.elements[1].integer.value; if (!enabled) { *block_list_size = -1; @@ -273,15 +273,15 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, goto out_free; } - if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || - wifi_pkg->package.elements[1].integer.value > + if (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER || + wifi_pkg->package.elements[2].integer.value > APCI_WTAS_BLACK_LIST_MAX) { IWL_DEBUG_RADIO(fwrt, "TAS invalid array size %llu\n", wifi_pkg->package.elements[1].integer.value); ret = -EINVAL; goto out_free; } - *block_list_size = wifi_pkg->package.elements[1].integer.value; + *block_list_size = wifi_pkg->package.elements[2].integer.value; IWL_DEBUG_RADIO(fwrt, "TAS array size %d\n", *block_list_size); if (*block_list_size > APCI_WTAS_BLACK_LIST_MAX) { @@ -294,15 +294,15 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, for (i = 0; i < *block_list_size; i++) { u32 country; - if (wifi_pkg->package.elements[2 + i].type != + if (wifi_pkg->package.elements[3 + i].type != ACPI_TYPE_INTEGER) { IWL_DEBUG_RADIO(fwrt, - "TAS invalid array elem %d\n", 2 + i); + "TAS invalid array elem %d\n", 3 + i); ret = -EINVAL; goto out_free; } - country = wifi_pkg->package.elements[2 + i].integer.value; + country = wifi_pkg->package.elements[3 + i].integer.value; block_list_array[i] = cpu_to_le32(country); IWL_DEBUG_RADIO(fwrt, "TAS block list country %d\n", country); }