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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 96EEBC4321A for ; Fri, 28 Jun 2019 09:20:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7630D208E3 for ; Fri, 28 Jun 2019 09:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726832AbfF1JUd (ORCPT ); Fri, 28 Jun 2019 05:20:33 -0400 Received: from paleale.coelho.fi ([176.9.41.70]:54752 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726667AbfF1JUd (ORCPT ); Fri, 28 Jun 2019 05:20:33 -0400 Received: from 91-156-6-193.elisa-laajakaista.fi ([91.156.6.193] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hgn3R-0001ny-CE; Fri, 28 Jun 2019 12:20:25 +0300 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Shahar S Matityahu , Luca Coelho Subject: [PATCH 12/20] iwlwifi: dbg_ini: enforce apply point early on buffer allocation tlv Date: Fri, 28 Jun 2019 12:20:00 +0300 Message-Id: <20190628092008.11049-13-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190628092008.11049-1-luca@coelho.fi> References: <20190628092008.11049-1-luca@coelho.fi> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Shahar S Matityahu Apply buffer allocation TLV only if it is set to apply point IWL_FW_INI_APPLY_EARLY. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 28 +++++++++++---------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 21df3e3a28e7..d61def45af57 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2518,16 +2518,11 @@ static void iwl_fw_dbg_buffer_apply(struct iwl_fw_runtime *fwrt, u32 buf_location = le32_to_cpu(alloc->tlv.buffer_location); if (buf_location == IWL_FW_INI_LOCATION_SRAM_PATH) { - if (!WARN(pnt != IWL_FW_INI_APPLY_EARLY, - "WRT: Invalid apply point %d for SMEM buffer allocation, aborting\n", - pnt)) { - IWL_DEBUG_FW(trans, - "WRT: applying SMEM buffer destination\n"); - - /* set sram monitor by enabling bit 7 */ - iwl_set_bit(fwrt->trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM); - } + IWL_DEBUG_FW(trans, "WRT: applying SMEM buffer destination\n"); + /* set sram monitor by enabling bit 7 */ + iwl_set_bit(fwrt->trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM); + return; } @@ -2774,6 +2769,8 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, struct iwl_ucode_tlv *tlv = iter; void *ini_tlv = (void *)tlv->data; u32 type = le32_to_cpu(tlv->type); + const char invalid_ap_str[] = + "WRT: ext=%d. Invalid apply point %d for %s\n"; switch (type) { case IWL_UCODE_TLV_TYPE_DEBUG_INFO: @@ -2782,15 +2779,20 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt, case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: { struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv; + if (pnt != IWL_FW_INI_APPLY_EARLY) { + IWL_ERR(fwrt, invalid_ap_str, ext, pnt, + "buffer allocation"); + goto next; + } + iwl_fw_dbg_buffer_apply(fwrt, ini_tlv, pnt); iter += sizeof(buf_alloc->is_alloc); break; } case IWL_UCODE_TLV_TYPE_HCMD: if (pnt < IWL_FW_INI_APPLY_AFTER_ALIVE) { - IWL_ERR(fwrt, - "WRT: ext=%d. Invalid apply point %d for host command\n", - ext, pnt); + IWL_ERR(fwrt, invalid_ap_str, ext, pnt, + "host command"); goto next; } iwl_fw_dbg_send_hcmd(fwrt, tlv, ext); -- 2.20.1