From 00742c91648cee6f5209b3a18e8b6d21e3b4f0e7 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Fri, 24 Apr 2015 13:18:40 +0200
Subject: [PATCH] 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>
---
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 15bb8d0504570..5ece3178195de 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;
--
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