[SCSI] qla2xxx: Correct handling of AENs postings for vports.
Initialize all proper structure members in order to support work-list vport processing. This code also properly acquires the correct (physical hardware_lock) lock during work submission. Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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@ -406,6 +406,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
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INIT_LIST_HEAD(&vha->list);
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INIT_LIST_HEAD(&vha->fcports);
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INIT_LIST_HEAD(&vha->vp_fcports);
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INIT_LIST_HEAD(&vha->work_list);
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vha->dpc_flags = 0L;
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set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
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@ -2157,13 +2157,14 @@ static int
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qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
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{
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unsigned long flags;
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scsi_qla_host_t *pha = to_qla_parent(ha);
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if (!locked)
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spin_lock_irqsave(&ha->hardware_lock, flags);
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spin_lock_irqsave(&pha->hardware_lock, flags);
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list_add_tail(&e->list, &ha->work_list);
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qla2xxx_wake_dpc(ha);
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if (!locked)
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spin_unlock_irqrestore(&ha->hardware_lock, flags);
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spin_unlock_irqrestore(&pha->hardware_lock, flags);
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return QLA_SUCCESS;
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}
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@ -2203,12 +2204,13 @@ static void
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qla2x00_do_work(struct scsi_qla_host *ha)
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{
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struct qla_work_evt *e;
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scsi_qla_host_t *pha = to_qla_parent(ha);
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spin_lock_irq(&ha->hardware_lock);
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spin_lock_irq(&pha->hardware_lock);
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while (!list_empty(&ha->work_list)) {
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e = list_entry(ha->work_list.next, struct qla_work_evt, list);
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list_del_init(&e->list);
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spin_unlock_irq(&ha->hardware_lock);
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spin_unlock_irq(&pha->hardware_lock);
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switch (e->type) {
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case QLA_EVT_AEN:
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@ -2222,9 +2224,9 @@ qla2x00_do_work(struct scsi_qla_host *ha)
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}
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if (e->flags & QLA_EVT_FLAG_FREE)
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kfree(e);
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spin_lock_irq(&ha->hardware_lock);
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spin_lock_irq(&pha->hardware_lock);
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}
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spin_unlock_irq(&ha->hardware_lock);
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spin_unlock_irq(&pha->hardware_lock);
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}
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/**************************************************************************
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