usb: f_fs: replace BUG in dead-code with less serious WARN_ON

Even though the BUG() in __ffs_event_add is a dead-code, it is still
better to warn rather then crash the system if that code ever gets
executed.

Reported-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index a345385..a86b0a2 100644 (file)
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -2337,7 +2337,8 @@ static void __ffs_event_add(struct ffs_data *ffs,
                break;
 
        default:
-               BUG();
+               WARN(1, "%d: unknown event, this should not happen\n", type);
+               return;
        }
 
        {