From patchwork Tue Aug 14 13:07:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Beniamino Galvani X-Patchwork-Id: 957517 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="rcHY3Puk"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 41qXy30rTKz9s9l for ; Tue, 14 Aug 2018 23:10:02 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id B2CDBC21DF3; Tue, 14 Aug 2018 13:09:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=FREEMAIL_FROM, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 9117EC21DDC; Tue, 14 Aug 2018 13:08:38 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id C8EC3C21C3F; Tue, 14 Aug 2018 13:08:32 +0000 (UTC) Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by lists.denx.de (Postfix) with ESMTPS id 68DB7C21DF8 for ; Tue, 14 Aug 2018 13:08:29 +0000 (UTC) Received: by mail-wm0-f54.google.com with SMTP id y2-v6so12228339wma.1 for ; Tue, 14 Aug 2018 06:08:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=vbwcmEcIuXUb0QLlRaSWHDMULR+42njV+zBxN930Ol0=; b=rcHY3Puk9MSpXE508H8jTg1o/pvbEjeBd7DxgvabMtf4xD5WHMGRp/92D0oGF/Bgd8 PLdSHQJzNThktxduQhzEFRmxhOlRPFINPloNfsePoik3EfSAAiTSI3VEdvGxVHvHvPJc C6tl+NxV7x3LCxm1BayKuUtIaT/c9anvLQQWXwtQ0wIvw/Nl7gsxy6S+cLlCgSCB5pw+ Yy0QgnV3ewrFSsYHbPPq4vt4p8Wxh6cmbhLCoijRsLAyjbmGW4+QQYGvu5JMsx6V9IeS Zl1gzAFJkDfgoi1XORRbSnSDKNV5tsRKqHNNozoUtsD0ndui5x35BUaQfvle8sfOJGKn iTww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vbwcmEcIuXUb0QLlRaSWHDMULR+42njV+zBxN930Ol0=; b=G5PEqLHf3EVShh+Z8H1TAt+gFgL+Lx2ilM3lVYgw9pK+zl8MPMoteBmzby58i7YgTD l7go8T1+1ERMdC+pR1Mbv+yM4CUOHU/VfHN3zQ2F4R++nQxi1j2NXP37Cb1sBgDTcKn2 KpJpzwADSxBEhmCGTzuZUJ2DKomjNrKc2lT4DdQXUjIu/P19sxF9W+Ng3NVDV/qQiP1F U+14cPFjG7AxWXu/QqAgP+dHnGEbfEd9m0Ef7slvlt/a6VqAFzhSRVPbmzPupCTkGF+q QMPidHg+KruvtPm94RngP3e8R7GVZnzqZLPOY8kLYLUrIPJEGfNyzLYN0408oHR1+QpT 3HkA== X-Gm-Message-State: AOUpUlHEh0UtrJ1VQepNiKeJpBDCT6PJs1AZFTwfoY/4Nb7K7fd1gc1F jkF1ZvRzadcFCZEg3mFuALGkQAlA X-Google-Smtp-Source: AA+uWPxuEx73CO1T8icI3lFNHlz3jE1HlbSXLZc9ieq2BrzSxbTT3e0lQ2gZcWtLzUHJkaJE5p/0sw== X-Received: by 2002:a1c:ca0f:: with SMTP id a15-v6mr10409621wmg.102.1534252108700; Tue, 14 Aug 2018 06:08:28 -0700 (PDT) Received: from sark.homenet.telecomitalia.it ([79.46.68.202]) by smtp.gmail.com with ESMTPSA id r16-v6sm29123997wru.59.2018.08.14.06.08.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 14 Aug 2018 06:08:27 -0700 (PDT) From: Beniamino Galvani To: u-boot@lists.denx.de Date: Tue, 14 Aug 2018 15:07:54 +0200 Message-Id: <20180814130754.19294-4-b.galvani@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180814130754.19294-1-b.galvani@gmail.com> References: <20180814130754.19294-1-b.galvani@gmail.com> Cc: Tom Rini , linux-amlogic@lists.infradead.org Subject: [U-Boot] [PATCH u-boot 3/3] arm: meson: null-terminate the serial number X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Terminate the serial number variable with null to avoid printing trailing garbage. Signed-off-by: Beniamino Galvani --- arch/arm/mach-meson/sm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-meson/sm.c b/arch/arm/mach-meson/sm.c index 2628591fe6..23eafe87b4 100644 --- a/arch/arm/mach-meson/sm.c +++ b/arch/arm/mach-meson/sm.c @@ -64,7 +64,7 @@ ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size) void meson_init_env_from_efuse(void) { static u8 mac[EFUSE_MAC_SIZE]; - char serial[EFUSE_SN_SIZE]; + char serial[EFUSE_SN_SIZE + 1]; ssize_t len; if (!eth_env_get_enetaddr("ethaddr", mac)) { @@ -77,7 +77,9 @@ void meson_init_env_from_efuse(void) if (!env_get("serial#")) { len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, EFUSE_SN_SIZE); - if (len == EFUSE_SN_SIZE) + if (len == EFUSE_SN_SIZE) { + serial[EFUSE_SN_SIZE] = '\0'; env_set("serial#", serial); + } } }