it is unnecessary to call spin_lock_irqsave in a interrupt handler. Signed-off-by: Tuo Cao <91tuocao@xxxxxxxxx> --- drivers/scsi/a100u2w.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index d02eb5b213d0..391c094758c0 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -1055,12 +1055,11 @@ static irqreturn_t inia100_intr(int irqno, void *devid) { struct Scsi_Host *shost = (struct Scsi_Host *)devid; struct orc_host *host = (struct orc_host *)shost->hostdata; - unsigned long flags; irqreturn_t res; - spin_lock_irqsave(shost->host_lock, flags); + spin_lock(shost->host_lock); res = orc_interrupt(host); - spin_unlock_irqrestore(shost->host_lock, flags); + spin_unlock(shost->host_lock); return res; } -- 2.17.1