On Sat, 2020-11-21 at 14:17 +0100, Marc Kleine-Budde wrote: > On 11/20/20 7:34 PM, Gustavo A. R. Silva wrote: > > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning > > by explicitly adding a break statement instead of letting the code fall > > through to the next case. > > > > Link: https://github.com/KSPP/linux/issues/115 > > Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org> [] > > diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c > > b/drivers/net/can/usb/peak_usb/pcan_usb_core.c [] > > @@ -299,6 +299,8 @@ static void peak_usb_write_bulk_callback(struct urb > > *urb) > > if (net_ratelimit()) > > netdev_err(netdev, "Tx urb aborted (%d)\n", > > urb->status); > > + break; > > + > > case -EPROTO: > > case -ENOENT: > > case -ECONNRESET: > > > > What about moving the default to the end if the case, which is more common > anyways: > > diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c > b/drivers/net/can/usb/peak_usb/pcan_usb_core.c [] > @@ -295,16 +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);
That's fine and is more generally used style but this default: case should IMO also end with a break; + break; > }
