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advansys: use spin_lock_irqsave() in interrupt handler

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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>
This commit is contained in:
Hannes Reinecke 2015-04-24 13:18:40 +02:00 committed by James Bottomley
parent 2207063443
commit 00742c9164
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/advansys.c
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@ -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;