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=-18.8 required=3.0 tests=BAYES_00,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 5068EC433EF for ; Tue, 7 Sep 2021 10:05:14 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CE2F961103 for ; Tue, 7 Sep 2021 10:05:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CE2F961103 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nic.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id F2552833D6; Tue, 7 Sep 2021 12:02:10 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; secure) header.d=nic.cz header.i=@nic.cz header.b="QofFxsL/"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 457F38336F; Tue, 7 Sep 2021 12:00:39 +0200 (CEST) Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 5121D83360 for ; Tue, 7 Sep 2021 11:58:44 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=marek.behun@nic.cz Received: from dellmb.labs.office.nic.cz (unknown [IPv6:2001:1488:fffe:6:8747:7254:5571:3010]) by mail.nic.cz (Postfix) with ESMTPSA id EB206147E0D; Tue, 7 Sep 2021 11:58:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1631008724; bh=a+kRZXo7m9Drvu3kimxP8IebNDE8M/po0fr33S2GxJU=; h=From:To:Date; b=QofFxsL/Yt57jK3g9HRfJTfWS/kX4O0eAUFPwk2nLFMVjjcOKvg1aoGBqHnDydC7Y At0e05dLQRaKUFvrkl8eqmkIvakGUkQy5+HMby/qTk7w0VVaevXalcjL1kTpgxsMXP O74u9N5I1M9A2Hz5PnaaYGlF0lI0t/SGgVaKgukg= From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: Stefan Roese Cc: u-boot@lists.denx.de, pali@kernel.org, Chris Packham , Baruch Siach , Dennis Gilmore , Mario Six , Jon Nettleton , Andrew Lunn , =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH u-boot-marvell v2 35/39] tools: kwboot: Avoid code repetition in kwboot_img_patch() Date: Tue, 7 Sep 2021 11:58:33 +0200 Message-Id: <20210907095837.14042-36-marek.behun@nic.cz> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210907095837.14042-1-marek.behun@nic.cz> References: <20210907095837.14042-1-marek.behun@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Change kwboot_img_patch() to avoid code repetition of setting errno to EINVAL. Signed-off-by: Marek Behún --- tools/kwboot.c | 55 ++++++++++++++++++-------------------------------- 1 file changed, 20 insertions(+), 35 deletions(-) diff --git a/tools/kwboot.c b/tools/kwboot.c index 8e361dad56..0969b8cf8a 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -1386,7 +1386,6 @@ _copy_baudrate_change_code(struct main_hdr_v1 *hdr, void *dst, int pre, static int kwboot_img_patch(void *img, size_t *size, int baudrate) { - int rc; struct main_hdr_v1 *hdr; uint32_t srcaddr; uint8_t csum; @@ -1394,33 +1393,25 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) int image_ver; int is_secure; - rc = -1; hdr = img; - if (*size < sizeof(struct main_hdr_v1)) { - errno = EINVAL; - goto out; - } + if (*size < sizeof(struct main_hdr_v1)) + goto err; image_ver = kwbimage_version(img); if (image_ver != 0 && image_ver != 1) { fprintf(stderr, "Invalid image header version\n"); - errno = EINVAL; - goto out; + goto err; } hdrsz = kwbheader_size(hdr); - if (*size < hdrsz) { - errno = EINVAL; - goto out; - } + if (*size < hdrsz) + goto err; csum = kwboot_hdr_csum8(hdr) - hdr->checksum; - if (csum != hdr->checksum) { - errno = EINVAL; - goto out; - } + if (csum != hdr->checksum) + goto err; if (image_ver == 0) { struct main_hdr_v0 *hdr_v0 = img; @@ -1433,10 +1424,9 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) switch (hdr->blockid) { case IBR_HDR_SATA_ID: - if (srcaddr < 1) { - errno = EINVAL; - goto out; - } + if (srcaddr < 1) + goto err; + hdr->srcaddr = cpu_to_le32((srcaddr - 1) * 512); break; @@ -1459,10 +1449,8 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) } if (hdrsz > le32_to_cpu(hdr->srcaddr) || - *size < le32_to_cpu(hdr->srcaddr) + le32_to_cpu(hdr->blocksize)) { - errno = EINVAL; - goto out; - } + *size < le32_to_cpu(hdr->srcaddr) + le32_to_cpu(hdr->blocksize)) + goto err; is_secure = kwboot_img_is_secure(img); @@ -1470,8 +1458,7 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) if (is_secure) { fprintf(stderr, "Image has secure header with signature for non-UART booting\n"); - errno = EINVAL; - goto out; + goto err; } kwboot_printv("Patching image boot signature to UART\n"); @@ -1485,15 +1472,13 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) if (image_ver == 0) { fprintf(stderr, "Cannot inject code for changing baudrate into v0 image header\n"); - errno = EINVAL; - goto out; + goto err; } if (is_secure) { fprintf(stderr, "Cannot inject code for changing baudrate into image with secure header\n"); - errno = EINVAL; - goto out; + goto err; } /* @@ -1529,8 +1514,7 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) if (is_secure) { fprintf(stderr, "Cannot align image with secure header\n"); - errno = EINVAL; - goto out; + goto err; } kwboot_printv("Aligning image header to Xmodem block size\n"); @@ -1540,9 +1524,10 @@ kwboot_img_patch(void *img, size_t *size, int baudrate) hdr->checksum = kwboot_hdr_csum8(hdr) - csum; *size = le32_to_cpu(hdr->srcaddr) + le32_to_cpu(hdr->blocksize); - rc = 0; -out: - return rc; + return 0; +err: + errno = EINVAL; + return -1; } static void -- 2.32.0