It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context.
Signed-off-by: Xiaofei Tan tanxiaofei@huawei.com --- drivers/scsi/a2091.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index 5853db3..5b23602 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -27,14 +27,13 @@ static irqreturn_t a2091_intr(int irq, void *data) struct Scsi_Host *instance = data; struct a2091_hostdata *hdata = shost_priv(instance); unsigned int status = hdata->regs->ISTR; - unsigned long flags;
if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS)) return IRQ_NONE;
- 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; }