[RFC PATCH] usb: gadget: ffs: async_bulkurb_active_lock can be static

[kernel test robot <lkp@xxxxxxxxx>]

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 f_fs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 194d45d940313..b59e144ad7e0e 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -237,7 +237,7 @@ enum {
 	FFS_BULKURB_STATE_PENDING  = 1,
 	FFS_BULKURB_STATE_ACTIVE   = 2
 };
-DEFINE_SPINLOCK(async_bulkurb_active_lock);
+static DEFINE_SPINLOCK(async_bulkurb_active_lock);
 struct async_bulkurb {
 	struct ffs_epfile *epfile;
 	struct list_head urblist;