diff mbox series

can: at91_can: fix fall-through annotations

Message ID 20180903183618.GA6905@embeddedor.com (mailing list archive)
State New, archived
Headers show
Series can: at91_can: fix fall-through annotations | expand

Commit Message

Gustavo A. R. Silva Sept. 3, 2018, 6:36 p.m. UTC
Properly place the "fall through" annotations at the bottom of the case,
which is what GCC is expecting to find.

This fix is part of the ongoing efforts to enabling -Wimplicit-fallthrough

Addresses-Coverity-ID: 1222851 ("Missing break in switch")
Addresses-Coverity-ID: 402011 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/net/can/at91_can.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Alexandre Belloni Sept. 4, 2018, 3:29 p.m. UTC | #1
On 03/09/2018 13:36:18-0500, Gustavo A. R. Silva wrote:
> Properly place the "fall through" annotations at the bottom of the case,
> which is what GCC is expecting to find.
> 
> This fix is part of the ongoing efforts to enabling -Wimplicit-fallthrough
> 
> Addresses-Coverity-ID: 1222851 ("Missing break in switch")
> Addresses-Coverity-ID: 402011 ("Missing break in switch")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Seems good to me (but I preferred the previous annotation ;))

Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
>  drivers/net/can/at91_can.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
> index d98c690..1718c20 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;
> -- 
> 2.7.4
>
diff mbox series

Patch

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index d98c690..1718c20 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;