From 495e9d84607cda966ba6d223d5eb9df0070cd21a Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 20 Dec 2012 15:05:37 -0800
Subject: checkpatch: warn on uapi #includes that #include <uapi/...

Avoid specifying internal uapi #include paths with uapi/...  as
userspace should not use and never see that.

Neaten message line wrapping above.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'scripts')

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 1d6e4c541370..4d2c7dfdaabd 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2226,8 +2226,11 @@ sub process {
 			my $path = $1;
 			if ($path =~ m{//}) {
 				ERROR("MALFORMED_INCLUDE",
-				      "malformed #include filename\n" .
-					$herecurr);
+				      "malformed #include filename\n" . $herecurr);
+			}
+			if ($path =~ "^uapi/" && $realfile =~ m@\binclude/uapi/@) {
+				ERROR("UAPI_INCLUDE",
+				      "No #include in ...include/uapi/... should use a uapi/ path prefix\n" . $herecurr);
 			}
 		}
 
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