Messages in this thread Patch in this message | | | From | Tuo Cao <> | Subject | [PATCH 6/9] scsi: advansys: move spin_lock_irqsave to spin_lock in interrupt handler | Date | Sun, 14 Aug 2022 14:43:34 +0800 |
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it is unnecessary to call spin_lock_irqsave in a interrupt handler.
Signed-off-by: Tuo Cao <91tuocao@gmail.com> --- drivers/scsi/advansys.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index f301aec044bb..2f402f73ae4e 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -7137,10 +7137,9 @@ static irqreturn_t advansys_interrupt(int irq, void *dev_id) struct Scsi_Host *shost = dev_id; struct asc_board *boardp = shost_priv(shost); irqreturn_t result = IRQ_NONE; - unsigned long flags; ASC_DBG(2, "boardp 0x%p\n", boardp); - spin_lock_irqsave(shost->host_lock, flags); + spin_lock(shost->host_lock); if (ASC_NARROW_BOARD(boardp)) { if (AscIsIntPending(shost->io_port)) { result = IRQ_HANDLED; @@ -7155,7 +7154,7 @@ static irqreturn_t advansys_interrupt(int irq, void *dev_id) ASC_STATS(shost, interrupt); } } - spin_unlock_irqrestore(shost->host_lock, flags); + spin_unlock(shost->host_lock); ASC_DBG(1, "end\n"); return result; -- 2.17.1
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