We should be using spin_lock_irqsave() when within the
interrupt handler.

Signed-off-by: Hannes Reinecke <h...@suse.de>
---
 drivers/scsi/advansys.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 485eaf0..7142a79 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -7242,9 +7242,10 @@ static irqreturn_t advansys_interrupt(int irq, void 
*dev_id)
        struct Scsi_Host *shost = dev_id;
        struct asc_board *boardp = shost_priv(shost);
        irqreturn_t result = IRQ_NONE;
+       unsigned long flags;
 
        ASC_DBG(2, "boardp 0x%p\n", boardp);
-       spin_lock(shost->host_lock);
+       spin_lock_irqsave(shost->host_lock, flags);
        if (ASC_NARROW_BOARD(boardp)) {
                if (AscIsIntPending(shost->io_port)) {
                        result = IRQ_HANDLED;
@@ -7259,7 +7260,7 @@ static irqreturn_t advansys_interrupt(int irq, void 
*dev_id)
                        ASC_STATS(shost, interrupt);
                }
        }
-       spin_unlock(shost->host_lock);
+       spin_unlock_irqrestore(shost->host_lock, flags);
 
        ASC_DBG(1, "end\n");
        return result;
-- 
1.8.5.2

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