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lpfc: use time_after() 

To be future-proof and for better readability the time comparisons
are modified to use time_after() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
Reviewed-by: James Smart <james.smart@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Manuel Schölling 2014-09-03 12:55:58 -04:00 committed by Christoph Hellwig
parent 1aee383d59
commit 0d4aec132d
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/lpfc/lpfc_scsi.c
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@ -380,12 +380,14 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
{
unsigned long flags;
uint32_t evt_posted;
unsigned long expires;
spin_lock_irqsave(&phba->hbalock, flags);
atomic_inc(&phba->num_rsrc_err);
phba->last_rsrc_error_time = jiffies;
if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) {
expires = phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL;
if (time_after(expires, jiffies)) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return;
}