usb: gadget: gadgetfs: potential use after free in unbind()

ffs_data_put() can sometimes free "ffs" so I have moved the call down
a line below the dereference.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f394f295d63d..1a66c5baa0d1 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1417,8 +1417,8 @@ static void functionfs_unbind(struct ffs_data *ffs)
                 usb_ep_free_request(ffs->gadget->ep0, ffs->ep0req);
                 ffs->ep0req = NULL;
                 ffs->gadget = NULL;
-                ffs_data_put(ffs);
                 clear_bit(FFS_FL_BOUND, &ffs->flags);
+                ffs_data_put(ffs);
         }
 }