[PATCH] MIPS: SGI-IP27: Delete an unnecessary check before kfree() in hub_domain_free()

Markus Elfring
2025-06-10T10:29:06Z

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 10 Jun 2025 11:44:20 +0200

It can be known that the function “kfree” performs a null pointer check
for its input parameter.
It is therefore not needed to repeat such a check before its call.

Thus remove a redundant pointer check.

The source code was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/mips/sgi-ip27/ip27-irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 288d4d17eddd..20ef663af16e 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -165,7 +165,7 @@ static void hub_domain_free(struct irq_domain *domain,
return;

irqd = irq_domain_get_irq_data(domain, virq);
- if (irqd && irqd->chip_data)
+ if (irqd)
kfree(irqd->chip_data);
}

--
2.49.0