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authorStefano Garzarella <sgarzare@redhat.com>2024-08-13 21:23:14 +0100
committerAlex Bennée <alex.bennee@linaro.org>2024-08-16 14:04:19 +0100
commit503eb470e087d4f611be1c584e58fe3b0bf250e2 (patch)
treecd5e14b34e628fa5c85a423d294f03ddc84357c4 /scripts
parent5f9ad35e044b9b295fa2ff1315c83c5f3faa3357 (diff)
scripts/checkpatch: more checks on files imported from Linux
If a file imported from Linux is touched, emit a warning and suggest using scripts/update-linux-headers.sh. Also check that updating imported files from Linux are not mixed with other changes, in which case emit an error. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20240718072050.9503-1-sgarzare@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240813202329.1237572-7-alex.bennee@linaro.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl24
1 files changed, 24 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ff373a7083..65b6f46f90 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1374,6 +1374,9 @@ sub process {
my $in_header_lines = $file ? 0 : 1;
my $in_commit_log = 0; #Scanning lines before patch
my $reported_maintainer_file = 0;
+ my $reported_mixing_imported_file = 0;
+ my $in_imported_file = 0;
+ my $in_no_imported_file = 0;
my $non_utf8_charset = 0;
our @report = ();
@@ -1673,6 +1676,27 @@ sub process {
# ignore non-hunk lines and lines being removed
next if (!$hunk_line || $line =~ /^-/);
+# Check that updating imported files from Linux are not mixed with other changes
+ if ($realfile =~ /^(linux-headers|include\/standard-headers)\//) {
+ if (!$in_imported_file) {
+ WARN("added, moved or deleted file(s) " .
+ "imported from Linux, are you using " .
+ "scripts/update-linux-headers.sh?\n" .
+ $herecurr);
+ }
+ $in_imported_file = 1;
+ } else {
+ $in_no_imported_file = 1;
+ }
+
+ if (!$reported_mixing_imported_file &&
+ $in_imported_file && $in_no_imported_file) {
+ ERROR("headers imported from Linux should be self-" .
+ "contained in a patch with no other changes\n" .
+ $herecurr);
+ $reported_mixing_imported_file = 1;
+ }
+
# ignore files that are being periodically imported from Linux
next if ($realfile =~ /^(linux-headers|include\/standard-headers)\//);