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)\//);