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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A3F1C433F5 for ; Mon, 21 Feb 2022 09:13:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348018AbiBUJNg (ORCPT ); Mon, 21 Feb 2022 04:13:36 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:36372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347839AbiBUJI7 (ORCPT ); Mon, 21 Feb 2022 04:08:59 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D191B1F5; Mon, 21 Feb 2022 01:01:07 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6FA1A611F4; Mon, 21 Feb 2022 09:01:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47CA0C340EB; Mon, 21 Feb 2022 09:01:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645434066; bh=3iJNsLs5igWnW9tIYI/say2ztI8UpVKT9KjMYdP1aAU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mFQpi4tOp9bU37mz3KFzovlC4nM1SKqI/y8Pu/2mB65ErewqIoBXSHQ18RkjmFQiQ ncSRsEFChe6Eqs1kBqHIKcgQvXkO3jxyNVl/siWy/KcCoTSpTx0sAgS2oXl/LdVAxO EdYsh3fK2udG+fbXy/qxtIivJvPgoHL6JCVJL2hc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jing Leng , Masahiro Yamada , Sasha Levin Subject: [PATCH 5.4 80/80] kconfig: fix failing to generate auto.conf Date: Mon, 21 Feb 2022 09:50:00 +0100 Message-Id: <20220221084918.211979289@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084915.554151737@linuxfoundation.org> References: <20220221084915.554151737@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jing Leng [ Upstream commit 1b9e740a81f91ae338b29ed70455719804957b80 ] When the KCONFIG_AUTOCONFIG is specified (e.g. export \ KCONFIG_AUTOCONFIG=output/config/auto.conf), the directory of include/config/ will not be created, so kconfig can't create deps files in it and auto.conf can't be generated. Signed-off-by: Jing Leng Signed-off-by: Masahiro Yamada Signed-off-by: Sasha Levin --- scripts/kconfig/confdata.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 17298239e3633..5c2493c8e9de8 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -987,14 +987,19 @@ static int conf_write_dep(const char *name) static int conf_touch_deps(void) { - const char *name; + const char *name, *tmp; struct symbol *sym; int res, i; - strcpy(depfile_path, "include/config/"); - depfile_prefix_len = strlen(depfile_path); - name = conf_get_autoconfig_name(); + tmp = strrchr(name, '/'); + depfile_prefix_len = tmp ? tmp - name + 1 : 0; + if (depfile_prefix_len + 1 > sizeof(depfile_path)) + return -1; + + strncpy(depfile_path, name, depfile_prefix_len); + depfile_path[depfile_prefix_len] = 0; + conf_read_simple(name, S_DEF_AUTO); sym_calc_value(modules_sym); -- 2.34.1