Re: [PATCH] MIPS: OCTEON: fix unreachable code in octeon_irq_init_ciu

From: Alexander Sverdlin
Date: Mon Jan 11 2021 - 07:00:26 EST


Hello Menglong!

Thank you for the fix! A small correction below:

On 11/01/2021 12:36, menglong8.dong@xxxxxxxxx wrote:
> From: Menglong Dong <dong.menglong@xxxxxxxxxx>
>
> The type of 'r' in octeon_irq_init_ciu is 'unsigned int', so 'r < 0'
> can't be true.
>
> Fix this by change the type of 'r' and 'i' from 'unsigned int'
> to 'int'. As 'i' won't be negative, this change works.
>
> Fixes: 64b139f97c01("MIPS: OCTEON: irq: add CIB and other fixes")

The patch actually fixes my commit 99fbc70f8547
("MIPS: Octeon: irq: Alloc desc before configuring IRQ").
With "Fixes:" tag corrected, you can put my

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>

> Signed-off-by: Menglong Dong <dong.menglong@xxxxxxxxxx>
> ---
> arch/mips/cavium-octeon/octeon-irq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
> index bd47e15d02c7..be5d4afcd30f 100644
> --- a/arch/mips/cavium-octeon/octeon-irq.c
> +++ b/arch/mips/cavium-octeon/octeon-irq.c
> @@ -1444,7 +1444,7 @@ static void octeon_irq_setup_secondary_ciu2(void)
> static int __init octeon_irq_init_ciu(
> struct device_node *ciu_node, struct device_node *parent)
> {
> - unsigned int i, r;
> + int i, r;
> struct irq_chip *chip;
> struct irq_chip *chip_edge;
> struct irq_chip *chip_mbox;
>

--
Best regards,
Alexander Sverdlin.