linux-kernel - [PATCH] scripts: headers_install: Exit with error on config leak

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Message-Id: <1588370065-30312-1-git-send-email-sidgup@codeaurora.org>
Date:   Fri,  1 May 2020 14:54:25 -0700
From:   Siddharth Gupta <sidgup@...eaurora.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     Siddharth Gupta <sidgup@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] scripts: headers_install: Exit with error on config leak

Misuse of CONFIG_* in UAPI headers should result in an error as it exposes
configuration of different targets to userspace.

Signed-off-by: Siddharth Gupta <sidgup@...eaurora.org>
---
 scripts/headers_install.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index a07668a..bd6c93a 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -109,7 +109,8 @@ do
 	done
 
 	if [ "$warn" = 1 ]; then
-		echo "warning: $INFILE: leak $c to user-space" >&2
+		echo "error: $INFILE: leak $c to user-space" >&2
+		exit 1
 	fi
 done
 
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