Re: [PATCH] m68k: Remove printk statement and add return statement in q40ints.c

[Guenter Roeck <linux@roeck-us.net>]

On 07/22/2014 09:08 PM, Nicholas Krause wrote:
> This removes the printk statement for irqs not defined by the hardware in
> function q40_irq_startup and instead returns -ENXIO as stated by the fix
> me message.
>
> Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
> ---
>   arch/m68k/q40/q40ints.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
> index 513f9bb..86f05c0 100644
> --- a/arch/m68k/q40/q40ints.c
> +++ b/arch/m68k/q40/q40ints.c
> @@ -48,8 +48,7 @@ static unsigned int q40_irq_startup(struct irq_data *data)
>   	switch (irq) {
>   	case 1: case 2: case 8: case 9:
>   	case 11: case 12: case 13:
> -		printk("%s: ISA IRQ %d not implemented by HW\n", __func__, irq);
> -		/* FIXME return -ENXIO; */
> +		return -ENXIO;

Returning -ENXIO from a function returning an unsigned int isn't really very helpful,
don't you think ?

With all those FIXMEs, you might want to keep in mind that there is typically a
good reason for it. If it was as easy as your proposed fix, you can assume
that the FIXME would not have been there in the first place.

Guenter