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/mvumi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c index 71b6a1f..b36164c 100644 --- a/drivers/scsi/mvumi.c +++ b/drivers/scsi/mvumi.c @@ -1790,11 +1790,10 @@ static void mvumi_handle_clob(struct mvumi_hba *mhba) static irqreturn_t mvumi_isr_handler(int irq, void *devp) { struct mvumi_hba *mhba = (struct mvumi_hba *) devp; - unsigned long flags;
- spin_lock_irqsave(mhba->shost->host_lock, flags); + spin_lock(mhba->shost->host_lock); if (unlikely(mhba->instancet->clear_intr(mhba) || !mhba->global_isr)) { - spin_unlock_irqrestore(mhba->shost->host_lock, flags); + spin_unlock(mhba->shost->host_lock); return IRQ_NONE; }
@@ -1815,7 +1814,7 @@ static irqreturn_t mvumi_isr_handler(int irq, void *devp) mhba->isr_status = 0; if (mhba->fw_state == FW_STATE_STARTED) mvumi_handle_clob(mhba); - spin_unlock_irqrestore(mhba->shost->host_lock, flags); + spin_unlock(mhba->shost->host_lock); return IRQ_HANDLED; }