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/mac53c94.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 9e98977..ab59c79 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -182,12 +182,11 @@ static void mac53c94_start(struct fsc_state *state)
static irqreturn_t do_mac53c94_interrupt(int irq, void *dev_id) { - unsigned long flags; struct Scsi_Host *dev = ((struct fsc_state *) dev_id)->current_req->device->host; - spin_lock_irqsave(dev->host_lock, flags); + spin_lock(dev->host_lock); mac53c94_interrupt(irq, dev_id); - spin_unlock_irqrestore(dev->host_lock, flags); + spin_unlock(dev->host_lock); return IRQ_HANDLED; }