summaryrefslogtreecommitdiff
path: root/kernel/irq
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/msi.c13
-rw-r--r--kernel/irq/timings.c5
2 files changed, 13 insertions, 5 deletions
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 48ef144649e3..6a5ecee6e567 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -616,11 +616,6 @@ skip_activate:
return 0;
cleanup:
- for_each_msi_vector(desc, i, dev) {
- irq_data = irq_domain_get_irq_data(domain, i);
- if (irqd_is_activated(irq_data))
- irq_domain_deactivate_irq(irq_data);
- }
msi_domain_free_irqs(domain, dev);
return ret;
}
@@ -645,7 +640,15 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
void __msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)
{
+ struct irq_data *irq_data;
struct msi_desc *desc;
+ int i;
+
+ for_each_msi_vector(desc, i, dev) {
+ irq_data = irq_domain_get_irq_data(domain, i);
+ if (irqd_is_activated(irq_data))
+ irq_domain_deactivate_irq(irq_data);
+ }
for_each_msi_entry(desc, dev) {
/*
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c
index 59affb3bfdfa..c43e2ac2f8de 100644
--- a/kernel/irq/timings.c
+++ b/kernel/irq/timings.c
@@ -453,6 +453,11 @@ static __always_inline void __irq_timings_store(int irq, struct irqt_stat *irqs,
*/
index = irq_timings_interval_index(interval);
+ if (index > PREDICTION_BUFFER_SIZE - 1) {
+ irqs->count = 0;
+ return;
+ }
+
/*
* Store the index as an element of the pattern in another
* circular array.