advansys: use spin_lock_irqsave() in interrupt handler

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

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 15bb8d050457024ae7d962b52c56a2f5e6281bb2..5ece3178195de840edd682d3ae4fa77435770660 100644 (file)
--- 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;