X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=kernel%2Firq%2Fmsi.c;h=38e89ce7b0711b6817d7fbf104437c14c7f4f863;hb=d43421565bf0510d35e6a39ebf96586ad486f3aa;hp=15b249e7c67321007305d64bfcd2c69fd6206ddb;hpb=71e4634e00119b2fb8dd0da99b3f5ebbb49cc872;p=cascardo%2Flinux.git

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 15b249e7c673..38e89ce7b071 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -109,9 +109,11 @@ static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
 	if (irq_find_mapping(domain, hwirq) > 0)
 		return -EEXIST;
 
-	ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);
-	if (ret < 0)
-		return ret;
+	if (domain->parent) {
+		ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);
+		if (ret < 0)
+			return ret;
+	}
 
 	for (i = 0; i < nr_irqs; i++) {
 		ret = ops->msi_init(domain, info, virq + i, hwirq + i, arg);