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Subject[PATCH 5/9] scsi: BusLogic: move spin_lock_irqsave to spin_lock in interrupt handler
Date
it is unnecessary to call spin_lock_irqsave in a interrupt handler.

Signed-off-by: Tuo Cao <91tuocao@gmail.com>
---
drivers/scsi/BusLogic.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index f2abffce2659..e2eb020966cd 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2739,11 +2739,10 @@ static void blogic_process_ccbs(struct blogic_adapter *adapter)
static irqreturn_t blogic_inthandler(int irq_ch, void *devid)
{
struct blogic_adapter *adapter = (struct blogic_adapter *) devid;
- unsigned long processor_flag;
/*
Acquire exclusive access to Host Adapter.
*/
- spin_lock_irqsave(adapter->scsi_host->host_lock, processor_flag);
+ spin_lock(adapter->scsi_host->host_lock);
/*
Handle Interrupts appropriately for each Host Adapter type.
*/
@@ -2811,7 +2810,7 @@ static irqreturn_t blogic_inthandler(int irq_ch, void *devid)
/*
Release exclusive access to Host Adapter.
*/
- spin_unlock_irqrestore(adapter->scsi_host->host_lock, processor_flag);
+ spin_unlock(adapter->scsi_host->host_lock);
return IRQ_HANDLED;
}

--
2.17.1
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