Commit 22466da5 authored by Johannes Thumshirn's avatar Johannes Thumshirn Committed by Martin K. Petersen

lpfc: Fix possible NULL pointer dereference

Check for the existence of piocb->vport before accessing it.
Signed-off-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Acked-by: default avatarJames Smart <james.smart@broadcom.com>
Reviewed-by: default avatarTyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent d242e668
......@@ -1323,21 +1323,18 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
{
lockdep_assert_held(&phba->hbalock);
BUG_ON(!piocb || !piocb->vport);
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))) {
if (!piocb->vport)
BUG();
else
mod_timer(&piocb->vport->els_tmofunc,
jiffies +
msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
}
(!(piocb->vport->load_flag & FC_UNLOADING)))
mod_timer(&piocb->vport->els_tmofunc,
jiffies +
msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
return 0;
}
......
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