checkpatch: ignore __pure $Attribute

Just like "__cold", ignore the __pure gcc attribute macro so pointer
warnings aren't generated for uses like "int * __pure fn(...)"

Signed-off-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 2b77d96db73554a7cd297e72d64688530596fce7..221a2b245690504a291034e4974eb496a5942f93 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -278,6 +278,7 @@ our $Attribute      = qr{
                        __noreturn|
                        __used|
                        __cold|
+                       __pure|
                        __noclone|
                        __deprecated|
                        __read_mostly|