On 2021-06-25 10:03, Pali Rohár wrote:
It is possible that we receive spurious INTx interrupt. So add needed
check
before calling generic_handle_irq() function.
Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
Reviewed-by: Marek Behún <kabel@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/pci/controller/pci-aardvark.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pci-aardvark.c
b/drivers/pci/controller/pci-aardvark.c
index 36fcc077ec72..59f91fad2481 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1226,7 +1226,11 @@ static void advk_pcie_handle_int(struct
advk_pcie *pcie)
PCIE_ISR1_REG);
virq = irq_find_mapping(pcie->irq_domain, i);
- generic_handle_irq(virq);
+ if (virq)
+ generic_handle_irq(virq);
+ else
+ dev_err_ratelimited(&pcie->pdev->dev, "unexpected INT%c IRQ\n",
+ (char)i+'A');
}
}
Please use generic_handle_domain_irq() instead of irq_find_mapping()
and generic_handle_irq().
Thanks,
M.
--
Jazz is not dead. It just smells funny...
