* [PATCH] MIPS: OCTEON: fix unreachable code in octeon_irq_init_ciu
@ 2021-01-11 11:36 menglong8.dong
2021-01-11 11:59 ` Alexander Sverdlin
0 siblings, 1 reply; 2+ messages in thread
From: menglong8.dong @ 2021-01-11 11:36 UTC (permalink / raw)
To: paulburton
Cc: tsbogend, dong.menglong, colin.king, alexander.sverdlin, gustavo,
ralf, peter.swain, aleksey.makarov, lrosenboim, david.daney,
linux-mips, linux-kernel
From: Menglong Dong <dong.menglong@zte.com.cn>
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")
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
---
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;
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] MIPS: OCTEON: fix unreachable code in octeon_irq_init_ciu
2021-01-11 11:36 [PATCH] MIPS: OCTEON: fix unreachable code in octeon_irq_init_ciu menglong8.dong
@ 2021-01-11 11:59 ` Alexander Sverdlin
0 siblings, 0 replies; 2+ messages in thread
From: Alexander Sverdlin @ 2021-01-11 11:59 UTC (permalink / raw)
To: menglong8.dong, paulburton
Cc: tsbogend, dong.menglong, colin.king, gustavo, ralf, peter.swain,
aleksey.makarov, lrosenboim, david.daney, linux-mips,
linux-kernel
Hello Menglong!
Thank you for the fix! A small correction below:
On 11/01/2021 12:36, menglong8.dong@gmail.com wrote:
> From: Menglong Dong <dong.menglong@zte.com.cn>
>
> 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@nokia.com>
> Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
> ---
> 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.
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