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[-next] irqchip/ti-sci-intr: Fix unsigned comparison to zero

Message ID 20200826035321.18620-1-yuehaibing@huawei.com (mailing list archive)
State New, archived
Headers show
Series [-next] irqchip/ti-sci-intr: Fix unsigned comparison to zero | expand

Commit Message

Yue Haibing Aug. 26, 2020, 3:53 a.m. UTC
ti_sci_intr_xlate_irq() return -ENOENT on fail, p_hwirq
should be int type.

Fixes: a5b659bd4bc7 ("irqchip/ti-sci-intr: Add support for INTR being a parent to INTR")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/irqchip/irq-ti-sci-intr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Lokesh Vutla Aug. 26, 2020, 3:57 a.m. UTC | #1
On 26/08/20 9:23 am, YueHaibing wrote:
> ti_sci_intr_xlate_irq() return -ENOENT on fail, p_hwirq
> should be int type.
> 
> Fixes: a5b659bd4bc7 ("irqchip/ti-sci-intr: Add support for INTR being a parent to INTR")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

Thanks for the patch.

Acked-by: Lokesh Vutla <lokeshvutla@ti.com>

Thanks and regards,
Lokesh

> ---
>  drivers/irqchip/irq-ti-sci-intr.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c
> index cbc1758228d9..85a72b56177c 100644
> --- a/drivers/irqchip/irq-ti-sci-intr.c
> +++ b/drivers/irqchip/irq-ti-sci-intr.c
> @@ -137,8 +137,8 @@ static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
>  	struct ti_sci_intr_irq_domain *intr = domain->host_data;
>  	struct device_node *parent_node;
>  	struct irq_fwspec fwspec;
> -	u16 out_irq, p_hwirq;
> -	int err = 0;
> +	int p_hwirq, err = 0;
> +	u16 out_irq;
>  
>  	out_irq = ti_sci_get_free_resource(intr->out_irqs);
>  	if (out_irq == TI_SCI_RESOURCE_NULL)
>
Marc Zyngier Sept. 13, 2020, 3:20 p.m. UTC | #2
On Wed, 26 Aug 2020 11:53:21 +0800, YueHaibing wrote:
> ti_sci_intr_xlate_irq() return -ENOENT on fail, p_hwirq
> should be int type.

Applied to irq/irqchip-fixes-5.9, thanks!

[1/1] irqchip/ti-sci-intr: Fix unsigned comparison to zero
      commit: 8ddf1905a904ca86d71ca1c435e4b0b2a0b70df8

Cheers,

	M.
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Patch

diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c
index cbc1758228d9..85a72b56177c 100644
--- a/drivers/irqchip/irq-ti-sci-intr.c
+++ b/drivers/irqchip/irq-ti-sci-intr.c
@@ -137,8 +137,8 @@  static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
 	struct ti_sci_intr_irq_domain *intr = domain->host_data;
 	struct device_node *parent_node;
 	struct irq_fwspec fwspec;
-	u16 out_irq, p_hwirq;
-	int err = 0;
+	int p_hwirq, err = 0;
+	u16 out_irq;
 
 	out_irq = ti_sci_get_free_resource(intr->out_irqs);
 	if (out_irq == TI_SCI_RESOURCE_NULL)