Messages in this thread Patch in this message |  | | From | Adrian-Ken Rueegsegger <> | Subject | [PATCH] genirq: Only call irq_ack if implemented by chip | Date | Tue, 14 Apr 2015 12:29:07 +0200 |
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Restore the check if an IRQ chip implements the irq_ack function prior to its invocation. Commit 22a49163e90d ("genirq: Provide compat handling for chip->ack()") removed the check from handle_edge_irq while keeping the check in other call paths.
Signed-off-by: Adrian-Ken Rueegsegger <ken@codelabs.ch> --- kernel/irq/chip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index eb9a4ea..3889b02 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -586,7 +586,8 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) kstat_incr_irqs_this_cpu(irq, desc); /* Start handling the irq */ - desc->irq_data.chip->irq_ack(&desc->irq_data); + if (desc->irq_data.chip->irq_ack) + desc->irq_data.chip->irq_ack(&desc->irq_data); do { if (unlikely(!desc->action)) { -- 1.7.10.4
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