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[RFC,v2,25/37] checkpatch: avoid showing BIT_ULL warnings for tools/ files

Message ID 7150a514b3ebc50f65fc8ed328c31df0e999cdc2.1573179553.git.thehajime@gmail.com
State Not Applicable
Delegated to: Richard Weinberger
Headers show
Series [RFC,v2,01/37] asm-generic: atomic64: allow using generic atomic64 on 64bit platforms | expand

Commit Message

Hajime Tazaki Nov. 8, 2019, 5:02 a.m. UTC 
From: Octavian Purdila <tavi.purdila@gmail.com>

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 <tavi.purdila@gmail.com>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 93a7edfe0f05..e739f565497e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6313,7 +6313,8 @@  sub process {
 		    $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)/;