checkpatch: %Lx tests should hand %% as a literal

Ensure that we handle literal %'s correctly when adjacent to a %Lx.

	%Lx	bad
	%%Lx	good
	%%%Lx	bad

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6ddae89c3cfaf8565b3e98d395ea4d437b97ed9c..c7980ff2975e16e2d61ba0c60196ebeaaf6e52c5 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2392,6 +2392,7 @@ sub process {
                my $string;
                while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) {
                        $string = substr($rawline, $-[1], $+[1] - $-[1]);
+                       $string =~ s/%%/__/g;
                        if ($string =~ /(?<!%)%L[udi]/) {
                                WARN("\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr);
                                last;