diff options
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index bed517d5aa4d..b9b9618e1aca 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1568,18 +1568,17 @@ EXPORT_SYMBOL_GPL(irq_chip_release_resources_parent); */ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) { - struct irq_data *pos = NULL; + struct irq_data *pos; -#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY - for (; data; data = data->parent_data) -#endif + for (pos = NULL; !pos && data; data = irqd_get_parent_data(data)) { if (data->chip && data->chip->irq_compose_msi_msg) pos = data; + } + if (!pos) return -ENOSYS; pos->chip->irq_compose_msi_msg(pos, msg); - return 0; } |