[PATCH] checkpatch: don't complain about BIT macro in uapi

[Tomas Winkler]

BIT macro cannot be exported to UAPI, so don't complain about it in
uapi headers.

Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
 scripts/checkpatch.pl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a0e511206f24..eee57484e42f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5733,8 +5733,9 @@ sub process {
 			}
 		}
 
-# check for #defines like: 1 << <digit> that could be BIT(digit)
-		if ($line =~ /#\s*define\s+\w+\s+\(?\s*1\s*([ulUL]*)\s*\<\<\s*(?:\d+|$Ident)\s*\)?/) {
+# check for #defines like: 1 << <digit> that could be BIT(digit), it is not exported to uapi
+		if ($realfile !~ m@^include/uapi/@ &&
+			$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",
-- 
2.5.5