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Subject[PATCH] kbuild: detect missing "WITH Linux-syscall-note" for uapi headers
Date
UAPI headers licensed under GPL are supposed to have exception
"WITH Linux-syscall-note" so that they can be included into non-GPL
user space application code.

Unfortunately, people often miss to add it. Break 'make headers'
when any of exported headers lacks the exception note so that the
0-day bot can easily catch it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

This patch depends on the following:

https://lore.kernel.org/patchwork/patch/1105289/

I will turn on the error after all headers are fixed.


scripts/headers_install.sh | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 47f6f3ea0771..bbaf29386995 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -23,6 +23,12 @@ TMPFILE=$OUTFILE.tmp

trap 'rm -f $OUTFILE $TMPFILE' EXIT

+# SPDX-License-Identifier with GPL variants must have "WITH Linux-syscall-note"
+if [ -n "$(sed -n -e "/SPDX-License-Identifier:.*GPL-/{/WITH Linux-syscall-note/!p}" $INFILE)" ]; then
+ echo "error: $INFILE: missing \"WITH Linux-syscall-note\" for SPDX-License-Identifier" >&2
+ exit 1
+fi
+
sed -E -e '
s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g
s/__attribute_const__([[:space:]]|$)/\1/g
--
2.17.1
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