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| author |   Joerg Roedel <jroedel@suse.de> | 2020-06-30 11:32:02 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-06-30 11:32:02 +0200 |
| commit | 77346a704c913268a2dad68d59523fd85dc74088 (patch) | |
| tree | 62c66bcb163b0db42a1fd0a397a6973e52f4ddce /kernel/irq/manage.c | |
| parent | iommu/qcom: add optional 'tbu' clock for TLB invalidate (diff) | |
| parent | Linux 5.8-rc3 (diff) | |
| download | wireguard-linux-77346a704c913268a2dad68d59523fd85dc74088.tar.xz wireguard-linux-77346a704c913268a2dad68d59523fd85dc74088.zip | |
Merge tag 'v5.8-rc3' into arm/qcom
Linux 5.8-rc3
Diffstat (limited to '')
| -rw-r--r-- | kernel/irq/manage.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 453a8a0f4804..761911168438 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -2619,6 +2619,8 @@ int __irq_get_irqchip_state(struct irq_data *data, enum irqchip_irq_state which, do { chip = irq_data_get_irq_chip(data); + if (WARN_ON_ONCE(!chip)) + return -ENODEV; if (chip->irq_get_irqchip_state) break; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY @@ -2696,6 +2698,8 @@ int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which, do { chip = irq_data_get_irq_chip(data); + if (WARN_ON_ONCE(!chip)) + return -ENODEV; if (chip->irq_set_irqchip_state) break; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY |