From: Tomas Winkler <tomas.winkler@intel.com>
Date: Tue, 2 Aug 2016 21:04:39 +0000 (-0700)
Subject: checkpatch: don't complain about BIT macro in uapi
X-Git-Tag: v4.8-rc1~52^2~58
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=cec3aaa56638c7aad763630b9cbe591f2e791a3b;p=linux.git

checkpatch: don't complain about BIT macro in uapi

BIT macro cannot be exported to UAPI, don't complain about it.

Link: http://lkml.kernel.org/r/1468707033-16173-1-git-send-email-tomas.winkler@intel.com
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: 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 7a28775274a5..77915e095022 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5732,8 +5732,9 @@ 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",