From patchwork Thu Aug 18 21:00:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 12947876 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9CEAC00140 for ; Thu, 18 Aug 2022 21:00:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346202AbiHRVA4 (ORCPT ); Thu, 18 Aug 2022 17:00:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346205AbiHRVAL (ORCPT ); Thu, 18 Aug 2022 17:00:11 -0400 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73E83D34E8 for ; Thu, 18 Aug 2022 14:00:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=k1; bh=+dr1LggFdbjOhfbt9cr0seNU2pY oNd+1ACJ51dZG5J4=; b=gZEI51t24Ly6vgbS0YNlYYnMhwWmlcbGg9f0RYcf2/I 1oiFy0sO4O4pq/ZDaWlXxZqICSW2s2fcoB+g5toGV+hw61A9FsE9cfC22TUDaH8K QLy7gGr+S7ax/2g0C1KeQlK3Xl+fDH9cqPGxmsBi3ZsJAd5Y+NolFijhlTliy/AU = Received: (qmail 3959755 invoked from network); 18 Aug 2022 23:00:04 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 18 Aug 2022 23:00:04 +0200 X-UD-Smtp-Session: l3s3148p1@7eD6Q4rmKd4ucref From: Wolfram Sang To: linux-kernel@vger.kernel.org Cc: Wolfram Sang , Boris Brezillon , Arnaud Ebalard , Srujana Challa , Herbert Xu , "David S. Miller" , Giovanni Cabiddu , linux-crypto@vger.kernel.org, qat-linux@intel.com Subject: [PATCH] crypto: move from strlcpy with unused retval to strscpy Date: Thu, 18 Aug 2022 23:00:03 +0200 Message-Id: <20220818210003.6649-1-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang Acked-by: Giovanni Cabiddu --- drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c | 6 +++--- drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c | 4 ++-- drivers/crypto/qat/qat_common/adf_cfg.c | 6 +++--- drivers/crypto/qat/qat_common/adf_ctl_drv.c | 2 +- drivers/crypto/qat/qat_common/adf_transport_debug.c | 2 +- 5 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c b/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c index 40b482198ebc..23c6edc70914 100644 --- a/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c +++ b/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c @@ -97,7 +97,7 @@ static int dev_supports_eng_type(struct otx_cpt_eng_grps *eng_grps, static void set_ucode_filename(struct otx_cpt_ucode *ucode, const char *filename) { - strlcpy(ucode->filename, filename, OTX_CPT_UCODE_NAME_LENGTH); + strscpy(ucode->filename, filename, OTX_CPT_UCODE_NAME_LENGTH); } static char *get_eng_type_str(int eng_type) @@ -138,7 +138,7 @@ static int get_ucode_type(struct otx_cpt_ucode_hdr *ucode_hdr, int *ucode_type) u32 i, val = 0; u8 nn; - strlcpy(tmp_ver_str, ucode_hdr->ver_str, OTX_CPT_UCODE_VER_STR_SZ); + strscpy(tmp_ver_str, ucode_hdr->ver_str, OTX_CPT_UCODE_VER_STR_SZ); for (i = 0; i < strlen(tmp_ver_str); i++) tmp_ver_str[i] = tolower(tmp_ver_str[i]); @@ -1328,7 +1328,7 @@ static ssize_t ucode_load_store(struct device *dev, eng_grps = container_of(attr, struct otx_cpt_eng_grps, ucode_load_attr); err_msg = "Invalid engine group format"; - strlcpy(tmp_buf, buf, OTX_CPT_UCODE_NAME_LENGTH); + strscpy(tmp_buf, buf, OTX_CPT_UCODE_NAME_LENGTH); start = tmp_buf; has_se = has_ie = has_ae = false; diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c index f10050fead16..1577986677f6 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c @@ -68,7 +68,7 @@ static int is_2nd_ucode_used(struct otx2_cpt_eng_grp_info *eng_grp) static void set_ucode_filename(struct otx2_cpt_ucode *ucode, const char *filename) { - strlcpy(ucode->filename, filename, OTX2_CPT_NAME_LENGTH); + strscpy(ucode->filename, filename, OTX2_CPT_NAME_LENGTH); } static char *get_eng_type_str(int eng_type) @@ -126,7 +126,7 @@ static int get_ucode_type(struct device *dev, int i, val = 0; u8 nn; - strlcpy(tmp_ver_str, ucode_hdr->ver_str, OTX2_CPT_UCODE_VER_STR_SZ); + strscpy(tmp_ver_str, ucode_hdr->ver_str, OTX2_CPT_UCODE_VER_STR_SZ); for (i = 0; i < strlen(tmp_ver_str); i++) tmp_ver_str[i] = tolower(tmp_ver_str[i]); diff --git a/drivers/crypto/qat/qat_common/adf_cfg.c b/drivers/crypto/qat/qat_common/adf_cfg.c index e61b3e13db3b..1931e5b37f2b 100644 --- a/drivers/crypto/qat/qat_common/adf_cfg.c +++ b/drivers/crypto/qat/qat_common/adf_cfg.c @@ -251,13 +251,13 @@ int adf_cfg_add_key_value_param(struct adf_accel_dev *accel_dev, return -ENOMEM; INIT_LIST_HEAD(&key_val->list); - strlcpy(key_val->key, key, sizeof(key_val->key)); + strscpy(key_val->key, key, sizeof(key_val->key)); if (type == ADF_DEC) { snprintf(key_val->val, ADF_CFG_MAX_VAL_LEN_IN_BYTES, "%ld", (*((long *)val))); } else if (type == ADF_STR) { - strlcpy(key_val->val, (char *)val, sizeof(key_val->val)); + strscpy(key_val->val, (char *)val, sizeof(key_val->val)); } else if (type == ADF_HEX) { snprintf(key_val->val, ADF_CFG_MAX_VAL_LEN_IN_BYTES, "0x%lx", (unsigned long)val); @@ -315,7 +315,7 @@ int adf_cfg_section_add(struct adf_accel_dev *accel_dev, const char *name) if (!sec) return -ENOMEM; - strlcpy(sec->name, name, sizeof(sec->name)); + strscpy(sec->name, name, sizeof(sec->name)); INIT_LIST_HEAD(&sec->param_head); down_write(&cfg->lock); list_add_tail(&sec->list, &cfg->sec_list); diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c index e8ac932bbaab..508c18edd692 100644 --- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c +++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c @@ -363,7 +363,7 @@ static int adf_ctl_ioctl_get_status(struct file *fp, unsigned int cmd, dev_info.num_logical_accel = hw_data->num_logical_accel; dev_info.banks_per_accel = hw_data->num_banks / hw_data->num_logical_accel; - strlcpy(dev_info.name, hw_data->dev_class->name, sizeof(dev_info.name)); + strscpy(dev_info.name, hw_data->dev_class->name, sizeof(dev_info.name)); dev_info.instance_id = hw_data->instance_id; dev_info.type = hw_data->dev_class->type; dev_info.bus = accel_to_pci_dev(accel_dev)->bus->number; diff --git a/drivers/crypto/qat/qat_common/adf_transport_debug.c b/drivers/crypto/qat/qat_common/adf_transport_debug.c index e69e5907f595..08bca1c506c0 100644 --- a/drivers/crypto/qat/qat_common/adf_transport_debug.c +++ b/drivers/crypto/qat/qat_common/adf_transport_debug.c @@ -96,7 +96,7 @@ int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name) if (!ring_debug) return -ENOMEM; - strlcpy(ring_debug->ring_name, name, sizeof(ring_debug->ring_name)); + strscpy(ring_debug->ring_name, name, sizeof(ring_debug->ring_name)); snprintf(entry_name, sizeof(entry_name), "ring_%02d", ring->ring_number);