can: pcan_usb_core: fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by
moving the "default" to the end of the "switch" statement and explicitly adding
a break statement instead of letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: http://lore.kernel.org/r/aab7cf16bf43cc7c3e9c9930d2dae850c1d07a3c.1605896059.git.gustavoars@kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
[mkl: move default to end]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 204ccb2..251835e 100644 (file)
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -295,15 +295,16 @@ static void peak_usb_write_bulk_callback(struct urb *urb)
                netif_trans_update(netdev);
                break;
 
-       default:
-               if (net_ratelimit())
-                       netdev_err(netdev, "Tx urb aborted (%d)\n",
-                                  urb->status);
        case -EPROTO:
        case -ENOENT:
        case -ECONNRESET:
        case -ESHUTDOWN:
+               break;
 
+       default:
+               if (net_ratelimit())
+                       netdev_err(netdev, "Tx urb aborted (%d)\n",
+                                  urb->status);
                break;
        }