checkpatch: allow simple character constants in #defines

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
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 061c28e7bcfa201a9cfd6e69dc7d29bb50c98a4b..95ba30a24dcf019ac0632540fdf1abe6e64d8d04 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2911,6 +2911,7 @@ sub process {
                            $dstat !~ /^(?:$Ident|-?$Constant),$/ &&                    # 10, // foo(),
                            $dstat !~ /^(?:$Ident|-?$Constant);$/ &&                    # foo();
                            $dstat !~ /^(?:$Ident|-?$Constant)$/ &&                     # 10 // foo()
+                           $dstat !~ /^'X'$/ &&                                        # character constants
                            $dstat !~ /$exceptions/ &&
                            $dstat !~ /^\.$Ident\s*=/ &&                                # .foo =
                            $dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ &&       # do {...} while (...); // do {...} while (...)