[PATCH] s390/cio: make vfio_ccw_io_region static

[Sebastian Ott]

Fix the following sparse warning:
drivers/s390/cio/vfio_ccw_drv.c:25:19: warning: symbol 'vfio_ccw_io_region'
was not declared. Should it be static?

Signed-off-by: Sebastian Ott <sebott@xxxxxxxxxxxxx>
---
 drivers/s390/cio/vfio_ccw_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index f47d16b5810b..edbf542d82af 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -22,7 +22,7 @@
 #include "vfio_ccw_private.h"
 
 struct workqueue_struct *vfio_ccw_work_q;
-struct kmem_cache *vfio_ccw_io_region;
+static struct kmem_cache *vfio_ccw_io_region;
 
 /*
  * Helpers
-- 
2.13.4