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* [PATCH] serial: 8250_pci: Use fallthrough pseudo-keyword
@ 2021-05-07 13:04 Wei Ming Chen
  2021-05-07 13:20 ` Greg KH
  0 siblings, 1 reply; 2+ messages in thread
From: Wei Ming Chen @ 2021-05-07 13:04 UTC (permalink / raw)
  To: linux-kernel; +Cc: gregkh, linux-serial, Wei Ming Chen

Add pseudo-keyword macro fallthrough[1]

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com>
---
 drivers/tty/serial/8250/8250_pci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 689d8227f95f..4158f06de4d5 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -847,8 +847,11 @@ static int pci_netmos_init(struct pci_dev *dev)
 
 	switch (dev->device) { /* FALLTHROUGH on all */
 	case PCI_DEVICE_ID_NETMOS_9904:
+		fallthrough;
 	case PCI_DEVICE_ID_NETMOS_9912:
+		fallthrough;
 	case PCI_DEVICE_ID_NETMOS_9922:
+		fallthrough;
 	case PCI_DEVICE_ID_NETMOS_9900:
 		num_serial = pci_netmos_9900_numports(dev);
 		break;
-- 
2.25.1


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

* Re: [PATCH] serial: 8250_pci: Use fallthrough pseudo-keyword
  2021-05-07 13:04 [PATCH] serial: 8250_pci: Use fallthrough pseudo-keyword Wei Ming Chen
@ 2021-05-07 13:20 ` Greg KH
  0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2021-05-07 13:20 UTC (permalink / raw)
  To: Wei Ming Chen; +Cc: linux-kernel, linux-serial

On Fri, May 07, 2021 at 09:04:03PM +0800, Wei Ming Chen wrote:
> Add pseudo-keyword macro fallthrough[1]
> 
> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
> 
> Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com>
> ---
>  drivers/tty/serial/8250/8250_pci.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
> index 689d8227f95f..4158f06de4d5 100644
> --- a/drivers/tty/serial/8250/8250_pci.c
> +++ b/drivers/tty/serial/8250/8250_pci.c
> @@ -847,8 +847,11 @@ static int pci_netmos_init(struct pci_dev *dev)
>  
>  	switch (dev->device) { /* FALLTHROUGH on all */
>  	case PCI_DEVICE_ID_NETMOS_9904:
> +		fallthrough;
>  	case PCI_DEVICE_ID_NETMOS_9912:
> +		fallthrough;
>  	case PCI_DEVICE_ID_NETMOS_9922:
> +		fallthrough;
>  	case PCI_DEVICE_ID_NETMOS_9900:

I really doubt this is needed here.  If so, something is really wrong
with the static checkers.

thanks,

greg k-h

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

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2021-05-07 13:04 [PATCH] serial: 8250_pci: Use fallthrough pseudo-keyword Wei Ming Chen
2021-05-07 13:20 ` Greg KH

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