[PATCH] checkpatch: avoid showing BIT_ULL warnings for tools/ files

From: Octavian Purdila
Date: Mon Sep 21 2015 - 12:45:06 EST


Directly using shift operations in userspace compiled code should not
trigger warnings as BIT_ULL macros are not available outside the
kernel.

Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx>
---
scripts/checkpatch.pl | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 407eb6c..93557bf 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5527,7 +5527,8 @@ sub process {
if ($line =~ /#\s*define\s+\w+\s+\(?\s*1\s*([ulUL]*)\s*\<\<\s*(?:\d+|$Ident)\s*\)?/) {
my $ull = "";
$ull = "_ULL" if (defined($1) && $1 =~ /ll/i);
- if (CHK("BIT_MACRO",
+ if ($realfile !~ m@\btools/@ &&
+ CHK("BIT_MACRO",
"Prefer using the BIT$ull macro\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] =~ s/\(?\s*1\s*[ulUL]*\s*<<\s*(\d+|$Ident)\s*\)?/BIT${ull}($1)/;
--
1.9.1

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