From c3745ee2e3506b75051f9d427cba24d95f75d6bf Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Thu, 12 Oct 2023 15:41:48 +0300 Subject: [PATCH] wifi: iwlwifi: fw: increase fw_version string size In reality 64 bytes are enough to hold fw version string, but some compilers can complain (with W=1) that output may be truncated when building this string with snprintf. Increase the size to avoid this sort of warnings and state explicitely that we want the size to be trancated to 32 bytes. Signed-off-by: Gregory Greenman Tested-by: Kalle Valo Link: https://lore.kernel.org/r/20231012153950.f4465b4b4e2b.Idced2e8d63c492872edcde1a3ce2cdd6cc0f8eb7@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/dvm/main.c | 2 +- drivers/net/wireless/intel/iwlwifi/fw/img.h | 4 ++-- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c index a873be109f43..8774dd7b921e 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c @@ -1464,7 +1464,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, snprintf(priv->hw->wiphy->fw_version, sizeof(priv->hw->wiphy->fw_version), - "%s", fw->fw_version); + "%.31s", fw->fw_version); priv->new_scan_threshold_behaviour = !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/img.h b/drivers/net/wireless/intel/iwlwifi/fw/img.h index 8d0d58d61892..96bda80632f3 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/img.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/img.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2005-2014, 2018-2021 Intel Corporation + * Copyright (C) 2005-2014, 2018-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016 Intel Deutschland GmbH */ @@ -198,7 +198,7 @@ struct iwl_dump_exclude { struct iwl_fw { u32 ucode_ver; - char fw_version[64]; + char fw_version[128]; /* ucode images */ struct fw_img img[IWL_UCODE_TYPE_MAX]; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 465090f67aaf..4390adc31a29 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1304,7 +1304,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), - "%s", fw->fw_version); + "%.31s", fw->fw_version); trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);