IB/hfi1: Return correct value in general interrupt handler

The general interrupt handler returns IRQ_HANDLED whether an IRQ
was handled or not.
Determine if an IRQ was handled and return the correct value.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 27b75a8..0be4278 100644 (file)
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -8240,6 +8240,7 @@ static irqreturn_t general_interrupt(int irq, void *data)
        u64 regs[CCE_NUM_INT_CSRS];
        u32 bit;
        int i;
+       irqreturn_t handled = IRQ_NONE;
 
        this_cpu_inc(*dd->int_counter);
 
@@ -8260,9 +8261,10 @@ static irqreturn_t general_interrupt(int irq, void *data)
        for_each_set_bit(bit, (unsigned long *)&regs[0],
                         CCE_NUM_INT_CSRS * 64) {
                is_interrupt(dd, bit);
+               handled = IRQ_HANDLED;
        }
 
-       return IRQ_HANDLED;
+       return handled;
 }
 
 static irqreturn_t sdma_interrupt(int irq, void *data)