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* [PATCH] staging: dpaa2-ethsw: fix switch/case fallthrough warning
@ 2020-07-20  5:30 Marian Posteuca
  2020-07-20  6:09 ` Joe Perches
  0 siblings, 1 reply; 2+ messages in thread
From: Marian Posteuca @ 2020-07-20  5:30 UTC (permalink / raw)
  To: Ioana Radulescu, Ioana Ciornei, Greg Kroah-Hartman, linux-kernel, devel
  Cc: Marian Posteuca

Fix the fallthrough warning that is reported by checkpatch.

Signed-off-by: Marian Posteuca <posteuca@mutex.one>
---
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 2fb75a7c9314..4986591097dc 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -1362,7 +1362,8 @@ static int port_switchdev_blocking_event(struct notifier_block *unused,
 		return NOTIFY_DONE;
 
 	switch (event) {
-	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
+	case SWITCHDEV_PORT_OBJ_ADD:
+		fallthrough;
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return ethsw_switchdev_port_obj_event(event, dev, ptr);
 	case SWITCHDEV_PORT_ATTR_SET:
-- 
2.26.2

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] staging: dpaa2-ethsw: fix switch/case fallthrough warning
  2020-07-20  5:30 [PATCH] staging: dpaa2-ethsw: fix switch/case fallthrough warning Marian Posteuca
@ 2020-07-20  6:09 ` Joe Perches
  0 siblings, 0 replies; 2+ messages in thread
From: Joe Perches @ 2020-07-20  6:09 UTC (permalink / raw)
  To: Marian Posteuca, Ioana Radulescu, Ioana Ciornei,
	Greg Kroah-Hartman, linux-kernel, devel

On Mon, 2020-07-20 at 08:30 +0300, Marian Posteuca wrote:
> Fix the fallthrough warning that is reported by checkpatch.
> 
> Signed-off-by: Marian Posteuca <posteuca@mutex.one>
> ---
>  drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> index 2fb75a7c9314..4986591097dc 100644
> --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> @@ -1362,7 +1362,8 @@ static int port_switchdev_blocking_event(struct notifier_block *unused,
>  		return NOTIFY_DONE;
>  
>  	switch (event) {
> -	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
> +	case SWITCHDEV_PORT_OBJ_ADD:
> +		fallthrough;

This comment is better removed instead of
converted to fallthrough;

It's no different than a multiple case block like:

	switch (val) {
	case FOO:
	case BAR:
		foobar();
		break;
	default:
		return baz;
	}

etc...


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2020-07-20  6:09 ` Joe Perches

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