[PATCH] checkpatch: Fix stringification macro defect

From: Joe Perches
Date: Mon Apr 08 2013 - 14:49:37 EST


Fix checkpatch misreporting defect with stringification macros

ERROR: Macros with complex values should be enclosed in parenthesis
#27: FILE: arch/arm/include/asm/kgdb.h:41:
+#define ___to_string(X) #X

Reported-by: Vincent Stehlé <v-stehle@xxxxxx>
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
scripts/checkpatch.pl | 1 +
1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3fb6d86..2e802fc 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3024,6 +3024,7 @@ sub process {
$dstat !~ /^'X'$/ && # character constants
$dstat !~ /$exceptions/ &&
$dstat !~ /^\.$Ident\s*=/ && # .foo =
+ $dstat !~ /^(?:\#\s*$Ident|\#\s*$Constant)\s*$/ && # stringification #foo
$dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ && # do {...} while (...); // do {...} while (...)
$dstat !~ /^for\s*$Constant$/ && # for (...)
$dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ && # for (...) bar()


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