Hi, Friendly ping: Dave, I wonder if you can take this. Thanks -- Gustavo On 2/14/19 3:37 PM, Gustavo A. R. Silva wrote: > > > On 1/30/19 2:11 AM, Nicolas.Ferre@xxxxxxxxxxxxx wrote: >> On 29/01/2019 at 19:06, Gustavo A. R. Silva wrote: >>> In preparation to enabling -Wimplicit-fallthrough, mark switch cases >>> where we are expecting to fall through. >>> >>> This patch fixes the following warnings: >>> >>> drivers/net/can/peak_canfd/peak_pciefd_main.c:668:3: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> drivers/net/can/spi/mcp251x.c:875:7: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> drivers/net/can/usb/peak_usb/pcan_usb.c:422:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> drivers/net/can/at91_can.c:895:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> drivers/net/can/at91_can.c:953:15: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> drivers/net/can/usb/peak_usb/pcan_usb.c: In function ‘pcan_usb_decode_error’: >>> drivers/net/can/usb/peak_usb/pcan_usb.c:422:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >>> if (n & PCAN_USB_ERROR_BUS_LIGHT) { >>> ^ >>> drivers/net/can/usb/peak_usb/pcan_usb.c:428:2: note: here >>> case CAN_STATE_ERROR_WARNING: >>> ^~~~ >>> >>> Warning level 3 was used: -Wimplicit-fallthrough=3 >>> >>> This patch is part of the ongoing efforts to enabling >>> -Wimplicit-fallthrough. >>> >>> Notice that in some cases spelling mistakes were fixed. >>> In other cases, the /* fall through */ comment is placed >>> at the bottom of the case statement, which is what GCC >>> is expecting to find. >>> >>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> >>> --- >>> drivers/net/can/at91_can.c | 6 ++++-- >> >> For this one: >> Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx> >> > > Thanks, Nicolas. > > Dave: > > I wonder if you can take this patch. > > Thanks > -- > Gustavo > >>> drivers/net/can/peak_canfd/peak_pciefd_main.c | 2 +- >>> drivers/net/can/spi/mcp251x.c | 3 ++- >>> drivers/net/can/usb/peak_usb/pcan_usb.c | 2 +- >>> 4 files changed, 8 insertions(+), 5 deletions(-) >>> >>> diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c >>> index d98c69045b17..1718c20f9c99 100644 >>> --- a/drivers/net/can/at91_can.c >>> +++ b/drivers/net/can/at91_can.c >>> @@ -902,7 +902,8 @@ static void at91_irq_err_state(struct net_device *dev, >>> CAN_ERR_CRTL_TX_WARNING : >>> CAN_ERR_CRTL_RX_WARNING; >>> } >>> - case CAN_STATE_ERROR_WARNING: /* fallthrough */ >>> + /* fall through */ >>> + case CAN_STATE_ERROR_WARNING: >>> /* >>> * from: ERROR_ACTIVE, ERROR_WARNING >>> * to : ERROR_PASSIVE, BUS_OFF >>> @@ -951,7 +952,8 @@ static void at91_irq_err_state(struct net_device *dev, >>> netdev_dbg(dev, "Error Active\n"); >>> cf->can_id |= CAN_ERR_PROT; >>> cf->data[2] = CAN_ERR_PROT_ACTIVE; >>> - case CAN_STATE_ERROR_WARNING: /* fallthrough */ >>> + /* fall through */ >>> + case CAN_STATE_ERROR_WARNING: >>> reg_idr = AT91_IRQ_ERRA | AT91_IRQ_WARN | AT91_IRQ_BOFF; >>> reg_ier = AT91_IRQ_ERRP; >>> break; >>> diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c >>> index c458d5fdc8d3..e4f4d65a76b4 100644 >>> --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c >>> +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c >>> @@ -668,7 +668,7 @@ static int pciefd_can_probe(struct pciefd_board *pciefd) >>> pciefd_can_writereg(priv, CANFD_CLK_SEL_80MHZ, >>> PCIEFD_REG_CAN_CLK_SEL); >>> >>> - /* fallthough */ >>> + /* fall through */ >>> case CANFD_CLK_SEL_80MHZ: >>> priv->ucan.can.clock.freq = 80 * 1000 * 1000; >>> break; >>> diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c >>> index e90817608645..17257c73c302 100644 >>> --- a/drivers/net/can/spi/mcp251x.c >>> +++ b/drivers/net/can/spi/mcp251x.c >>> @@ -875,7 +875,8 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id) >>> if (new_state >= CAN_STATE_ERROR_WARNING && >>> new_state <= CAN_STATE_BUS_OFF) >>> priv->can.can_stats.error_warning++; >>> - case CAN_STATE_ERROR_WARNING: /* fallthrough */ >>> + /* fall through */ >>> + case CAN_STATE_ERROR_WARNING: >>> if (new_state >= CAN_STATE_ERROR_PASSIVE && >>> new_state <= CAN_STATE_BUS_OFF) >>> priv->can.can_stats.error_passive++; >>> diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c >>> index 13238a72a338..eca785532b6b 100644 >>> --- a/drivers/net/can/usb/peak_usb/pcan_usb.c >>> +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c >>> @@ -423,7 +423,7 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, >>> new_state = CAN_STATE_ERROR_WARNING; >>> break; >>> } >>> - /* else: fall through */ >>> + /* fall through */ >>> >>> case CAN_STATE_ERROR_WARNING: >>> if (n & PCAN_USB_ERROR_BUS_HEAVY) { >>> >> >>