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>

1 files changed, 1 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2b77d96db735..221a2b245690 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -278,6 +278,7 @@ our $Attribute	= qr{
                         __noreturn|
                         __used|
                         __cold|
+                        __pure|
                         __noclone|
                         __deprecated|
                         __read_mostly|