Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756026AbYL2Nxz (ORCPT ); Mon, 29 Dec 2008 08:53:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753951AbYL2Nv4 (ORCPT ); Mon, 29 Dec 2008 08:51:56 -0500 Received: from pfepb.post.tele.dk ([195.41.46.236]:43001 "EHLO pfepb.post.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753499AbYL2Nvv (ORCPT ); Mon, 29 Dec 2008 08:51:51 -0500 From: Sam Ravnborg To: linux-kbuild , LKML Cc: Sam Ravnborg Subject: [PATCH 09/13] kbuild: check for leaked CONFIG_ symbols to userspace Date: Mon, 29 Dec 2008 14:53:19 +0100 Message-Id: <1230558803-7168-9-git-send-email-sam@ravnborg.org> X-Mailer: git-send-email 1.6.0.2.GIT In-Reply-To: <20081229134402.GA7069@uranus.ravnborg.org> References: <20081229134402.GA7069@uranus.ravnborg.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1208 Lines: 46 Signed-off-by: Sam Ravnborg --- scripts/headers_check.pl | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl index 5bdd975..72924a7 100644 --- a/scripts/headers_check.pl +++ b/scripts/headers_check.pl @@ -16,7 +16,7 @@ # # 2) It is checked that prototypes does not use "extern" # -# 3) TODO: check for leaked CONFIG_ symbols +# 3) Check for leaked CONFIG_ symbols use strict; @@ -36,6 +36,7 @@ foreach my $file (@files) { $lineno++; check_include(); check_prototypes(); + check_config(); } close FH; } @@ -64,3 +65,11 @@ sub check_prototypes printf STDERR "$filename:$lineno: extern's make no sense in userspace\n"; } } + +sub check_config +{ + if ($line =~ m/[^a-zA-Z0-9_]+CONFIG_([a-zA-Z0-9]+)[^a-zA-Z0-9]/) { + printf STDERR "$filename:$lineno: leaks CONFIG_$1 to userspace where it is not valid\n"; + } +} + -- 1.6.0.2.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/