RE: [Intel-wired-lan] [PATCH 39/61] irqchip: Prefer IS_ERR_OR_NULL over manual NULL check

[Loktionov, Aleksandr]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf
> Of Philipp Hahn
> Sent: Tuesday, March 10, 2026 12:49 PM
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> Cc: Marc Zyngier <maz@xxxxxxxxxx>; Thomas Gleixner <tglx@xxxxxxxxxx>;
> Andrew Lunn <andrew@xxxxxxx>; Gregory Clement
> <gregory.clement@xxxxxxxxxxx>; Sebastian Hesselbarth
> <sebastian.hesselbarth@xxxxxxxxx>
> Subject: [Intel-wired-lan] [PATCH 39/61] irqchip: Prefer
> IS_ERR_OR_NULL over manual NULL check
> 
> Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
> check.
> 
> Change generated with coccinelle.
> 
> To: Marc Zyngier <maz@xxxxxxxxxx>
> To: Thomas Gleixner <tglx@xxxxxxxxxx>
> To: Andrew Lunn <andrew@xxxxxxx>
> To: Gregory Clement <gregory.clement@xxxxxxxxxxx>
> To: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Philipp Hahn <phahn-oss@xxxxxx>
> ---
>  drivers/irqchip/irq-gic-v3.c     | 2 +-
>  drivers/irqchip/irq-mvebu-odmi.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-
> v3.c index
> 20f13b686ab22faf722dd2b24faf96af636a4bbd..6dc9827357a21ae05dd838fb7178
> 71c73f3c7562 100644
> --- a/drivers/irqchip/irq-gic-v3.c
> +++ b/drivers/irqchip/irq-gic-v3.c
> @@ -2252,7 +2252,7 @@ static int __init gic_of_init(struct device_node
> *node, struct device_node *pare
> 
>  out_unmap_rdist:
>  	for (i = 0; i < nr_redist_regions; i++)
> -		if (rdist_regs[i].redist_base &&
> !IS_ERR(rdist_regs[i].redist_base))
> +		if (!IS_ERR_OR_NULL(rdist_regs[i].redist_base))
>  			iounmap(rdist_regs[i].redist_base);
>  	kfree(rdist_regs);
>  out_unmap_dist:
> diff --git a/drivers/irqchip/irq-mvebu-odmi.c b/drivers/irqchip/irq-
> mvebu-odmi.c
> index
> b99ab9dcc14b3ba982876cf5525499d02bc1c997..94e7eda46e81833cfe0479b6fabb
> a715bf4ef6b8 100644
> --- a/drivers/irqchip/irq-mvebu-odmi.c
> +++ b/drivers/irqchip/irq-mvebu-odmi.c
> @@ -217,7 +217,7 @@ static int __init mvebu_odmi_init(struct
> device_node *node,
>  	for (i = 0; i < odmis_count; i++) {
>  		struct odmi_data *odmi = &odmis[i];
> 
> -		if (odmi->base && !IS_ERR(odmi->base))
> +		if (!IS_ERR_OR_NULL(odmi->base))
>  			iounmap(odmis[i].base);
>  	}
>  	bitmap_free(odmis_bm);
> 
> --
> 2.43.0

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>