checkpatch: add __ref as a sparse modifier

Add __ref as a sparse modifier.

Signed-off-by: Andy Whitcroft <apw@canonical.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 0dcfdce..60ad8db 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -110,7 +110,8 @@ our $Sparse = qr{
                        __iomem|
                        __must_check|
                        __init_refok|
-                       __kprobes
+                       __kprobes|
+                       __ref
                }x;
 our $Attribute = qr{
                        const|