diff mbox series

[4/9] scsi: a3000: move spin_lock_irqsave to spin_lock in interrupt handler

Message ID 20220814064337.32621-5-91tuocao@gmail.com (mailing list archive)
State New, archived
Headers show
Series move spin_lock_irqsave to spin_lock in interrupt handler | expand

Commit Message

Tuo Cao Aug. 14, 2022, 6:43 a.m. UTC 
it is unnecessary to call spin_lock_irqsave in a interrupt handler.

Signed-off-by: Tuo Cao <91tuocao@gmail.com>
---
 drivers/scsi/a3000.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 2c5cb1a02e86..f34c436459d5 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -36,14 +36,13 @@  static irqreturn_t a3000_intr(int irq, void *data)
 	struct Scsi_Host *instance = data;
 	struct a3000_hostdata *hdata = shost_priv(instance);
 	unsigned int status = hdata->regs->ISTR;
-	unsigned long flags;
 
 	if (!(status & ISTR_INT_P))
 		return IRQ_NONE;
 	if (status & ISTR_INTS) {
-		spin_lock_irqsave(instance->host_lock, flags);
+		spin_lock(instance->host_lock);
 		wd33c93_intr(instance);
-		spin_unlock_irqrestore(instance->host_lock, flags);
+		spin_unlock(instance->host_lock);
 		return IRQ_HANDLED;
 	}
 	pr_warn("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);