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Commit 00742c91 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by James Bottomley
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advansys: use spin_lock_irqsave() in interrupt handler 



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

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent 22070634

drivers/scsi/advansys.c

+3 −2
Original line number Diff line number Diff line
@@ -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;