Re: [PATCH] atm: ambassador: remove h from printk format specifier

From: Jakub Kicinski
Date: Wed Dec 16 2020 - 19:46:13 EST


On Tue, 15 Dec 2020 06:22:28 -0800 trix@xxxxxxxxxx wrote:
> From: Tom Rix <trix@xxxxxxxxxx>
>
> See Documentation/core-api/printk-formats.rst.
> h should no longer be used in the format specifier for printk.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

That's for new code I assume?

What's the harm in leaving this ancient code be?

> diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
> index c039b8a4fefe..6b0fff8c0141 100644
> --- a/drivers/atm/ambassador.c
> +++ b/drivers/atm/ambassador.c
> @@ -2169,7 +2169,7 @@ static void setup_pci_dev(struct pci_dev *pci_dev)
> pci_lat = (lat < MIN_PCI_LATENCY) ? MIN_PCI_LATENCY : lat;
>
> if (lat != pci_lat) {
> - PRINTK (KERN_INFO, "Changing PCI latency timer from %hu to %hu",
> + PRINTK (KERN_INFO, "Changing PCI latency timer from %u to %u",
> lat, pci_lat);
> pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, pci_lat);
> }
> @@ -2300,7 +2300,7 @@ static void __init amb_check_args (void) {
> unsigned int max_rx_size;
>
> #ifdef DEBUG_AMBASSADOR
> - PRINTK (KERN_NOTICE, "debug bitmap is %hx", debug &= DBG_MASK);
> + PRINTK (KERN_NOTICE, "debug bitmap is %x", debug &= DBG_MASK);
> #else
> if (debug)
> PRINTK (KERN_NOTICE, "no debugging support");