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>

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 0dcfdce632b1..60ad8dbd79e1 100755
--- 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|