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genirq/msi: Slightly simplify msi_domain_alloc() 

The return value of irq_find_mapping() is only tested, not used for
anything else.

Replaced it by irq_resolve_mapping() which is internally used by
irq_find_mapping() and allows a simple boolean decision.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/1ce680114cdb8d40b072c54d7f015696a540e5a6.1760863194.git.christophe.jaillet@wanadoo.fr
pull/1354/merge
Christophe JAILLET 2025-10-19 10:40:08 +02:00 committed by Thomas Gleixner
parent dce7450093
commit ac646f4495
1 changed files with 1 additions and 1 deletions
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2
kernel/irq/msi.c
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@ -706,7 +706,7 @@ static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
irq_hw_number_t hwirq = ops->get_hwirq(info, arg); irq_hw_number_t hwirq = ops->get_hwirq(info, arg);
int i, ret; int i, ret;
if (irq_find_mapping(domain, hwirq) > 0) if (irq_resolve_mapping(domain, hwirq))
return -EEXIST; return -EEXIST;
if (domain->parent) { if (domain->parent) {