irqdomain: Use IS_ERR_OR_NULL() in irq_domain_trim_hierarchy()

Use IS_ERR_OR_NULL() instead of open-coding a NULL and a error pointer
check.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240828122724.3697447-1-lihongbo22@huawei.com

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 5df8780100bb188830bc9ae02ee78c5896f776fb..e0bff21f30e0a997464b48cc2bdfa67196d76009 100644 (file)
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1403,7 +1403,7 @@ static int irq_domain_trim_hierarchy(unsigned int virq)
        tail = NULL;
 
        /* The first entry must have a valid irqchip */
-       if (!irq_data->chip || IS_ERR(irq_data->chip))
+       if (IS_ERR_OR_NULL(irq_data->chip))
                return -EINVAL;
 
        /*