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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-07-25 17:05:13 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-07-29 10:05:41 +0900
commit622445541b751ce70a952b8486ce4512a792c0a2 (patch)
treea950578c6f212af0edb8f8d365a517b6c653821c /scripts
parent609488bc979f99f805f34e9a32c1e3b71179d10b (diff)
kbuild: detect missing "WITH Linux-syscall-note" for uapi headers
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>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/headers_install.sh6
1 files changed, 6 insertions, 0 deletions
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