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Subject[PATCH for-next 05/32] scsi: BusLogic: Replace spin_lock_irqsave with spin_lock in hard IRQ
Date
It is redundant to do irqsave and irqrestore in hardIRQ context, where
it has been in a irq-disabled context.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.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 ccb061a..005809e 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2880,11 +2880,10 @@ 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.
*/
@@ -2952,7 +2951,7 @@ 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;
}

--
2.8.1
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