From patchwork Wed Oct 21 17:37:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1385681 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=qYr1z1BW; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4CGdPN6BR9z9sSG for ; Thu, 22 Oct 2020 04:52:40 +1100 (AEDT) Received: from localhost ([::1]:40132 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVIHu-0003ej-G7 for incoming@patchwork.ozlabs.org; Wed, 21 Oct 2020 13:52:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51868) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVI3w-0006dv-MH for qemu-devel@nongnu.org; Wed, 21 Oct 2020 13:38:12 -0400 Received: from mail-pj1-x1041.google.com ([2607:f8b0:4864:20::1041]:51912) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kVI3u-0006TE-4k for qemu-devel@nongnu.org; Wed, 21 Oct 2020 13:38:12 -0400 Received: by mail-pj1-x1041.google.com with SMTP id a17so1522241pju.1 for ; Wed, 21 Oct 2020 10:38:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=r7Om/lCAM0XeGEoR/BbgvQnU929VV6uqCsbicYkIs8s=; b=qYr1z1BWmJW5qCiXztlPzE77U7HI/tv+Fn9oyCjz80MNczmRmWceWQ3a/P2G7BCRjI 69GuBi43EJWPrCbM17af429pS6BpZxy33t/0XYxuVM+kU2J76RVyAEv7UDEeUZueGAGQ QHuX9AOxfymzDRy93dJl9WS0xarxBV1Qcy2hPSKXNDn1FHCxMz4dPdTuahJvptxyYnDf 2cIOL/hFYzRqwl9rdIGbYh+I04E+AexxBY+k0JKQXB1xGF+MhWA1Of0+7NecPuuvUY3f 5A6V1utr6vZbnCxS+dPBMHBt59eZz8H5yUSwlK7lz3uRMKBjWw0FOTUjBUCrUntt7tsZ sM6A== 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:mime-version:content-transfer-encoding; bh=r7Om/lCAM0XeGEoR/BbgvQnU929VV6uqCsbicYkIs8s=; b=qCYOY2dguwIZiLjSBhEWuuqRZojk4h/YHdqa92fV9isLCn5+V2sz+qEhcwTNDPQJBE xnB3XAKn8ucgxrksEVQmS9Er4VwXQ1vAjrn12i9oExR7n5Nbjzt1FsgQ7hHjFIZyRFhL 9rF3owZvpzmBVlkhk91/6T3IGSsoA12ag1ZdfG1jZIFRfixWWUAtg/nrXzxAYkSsGpAb dUkkhWS3CNuLZzCy6z8fCVtLAi55BJyh+MjkM5btpwXm+JZedwBS4nx5v+kTsphBmwRU wDljNTAaXga+e/QJnrEgpV5Y0eV9EsUbGmsFyAwnYkVCOsIwMUOVoJjpIrsLt8L3ZVgV zUAw== X-Gm-Message-State: AOAM53287tWN+C8j5YBQ82q6ZeyyQSRRDQDuZM3raIp0mjl7ttJQDF8I NAVw+ouY4qvlz1OpGwyT3sqoonD4VstrRw== X-Google-Smtp-Source: ABdhPJwwD4km7ClYoUoGlQfkhMMDuu2Efab+WUrYUMUH9mZG02hDL5cJo0odxneYnDEhjkEBNbRNOw== X-Received: by 2002:a17:90b:90c:: with SMTP id bo12mr4237908pjb.7.1603301885194; Wed, 21 Oct 2020 10:38:05 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id h5sm2928829pfh.9.2020.10.21.10.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Oct 2020 10:38:04 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v12 09/12] linux-user/elfload: Use Error for load_elf_interp Date: Wed, 21 Oct 2020 10:37:46 -0700 Message-Id: <20201021173749.111103-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201021173749.111103-1-richard.henderson@linaro.org> References: <20201021173749.111103-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1041; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1041.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This is slightly clearer than just using strerror, though the different forms produced by error_setg_file_open and error_setg_errno isn't entirely convenient. Signed-off-by: Richard Henderson --- linux-user/elfload.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 56fbda93d0..04c04bc260 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2675,26 +2675,27 @@ static void load_elf_interp(const char *filename, struct image_info *info, char bprm_buf[BPRM_BUF_SIZE]) { int fd, retval; + Error *err = NULL; fd = open(path(filename), O_RDONLY); if (fd < 0) { - goto exit_perror; + error_setg_file_open(&err, errno, filename); + error_report_err(err); + exit(-1); } retval = read(fd, bprm_buf, BPRM_BUF_SIZE); if (retval < 0) { - goto exit_perror; + error_setg_errno(&err, errno, "Error reading file header"); + error_reportf_err(err, "%s: ", filename); + exit(-1); } + if (retval < BPRM_BUF_SIZE) { memset(bprm_buf + retval, 0, BPRM_BUF_SIZE - retval); } load_elf_image(filename, fd, info, NULL, bprm_buf); - return; - - exit_perror: - fprintf(stderr, "%s: %s\n", filename, strerror(errno)); - exit(-1); } static int symfind(const void *s0, const void *s1)