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SCSI fixes on 20161208 

One small fix for a regression in a prior fix (again).  This time the
 condition in the prior fix BUG_ON proved to be wrong under certain
 circumstances causing a BUG to trigger where it shouldn't in the lpfc
 driver.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fix from James Bottomley:
 "One small fix for a regression in a prior fix (again).

  This time the condition in the prior fix BUG_ON proved to be wrong
  under certain circumstances causing a BUG to trigger where it
  shouldn't in the lpfc driver"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put()
This commit is contained in:
Linus Torvalds 2016-12-08 12:04:41 -08:00
Родитель 318c8932dd ff682a3dad
Коммит b4aafe77ec
1 изменённых файлов: 8 добавлений и 6 удалений
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14
drivers/scsi/lpfc/lpfc_sli.c
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@ -1323,18 +1323,20 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
{
lockdep_assert_held(&phba->hbalock);
BUG_ON(!piocb || !piocb->vport);
BUG_ON(!piocb);
list_add_tail(&piocb->list, &pring->txcmplq);
piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ;
if ((unlikely(pring->ringno == LPFC_ELS_RING)) &&
(piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
(piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN) &&
(!(piocb->vport->load_flag & FC_UNLOADING)))
mod_timer(&piocb->vport->els_tmofunc,
jiffies +
msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
(piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
BUG_ON(!piocb->vport);
if (!(piocb->vport->load_flag & FC_UNLOADING))
mod_timer(&piocb->vport->els_tmofunc,
jiffies +
msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
}
return 0;
}