[SCSI] lpfc 8.3.38: Fixed potential mis-interpretation of READ_TOPOLOGY reserved fields
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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c14e995777
Коммит
be0c008003
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@ -3249,8 +3249,7 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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vport->fc_flag &= ~FC_BYPASSED_MODE;
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spin_unlock_irq(shost->host_lock);
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if ((phba->fc_eventTag < la->eventTag) ||
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(phba->fc_eventTag == la->eventTag)) {
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if (phba->fc_eventTag <= la->eventTag) {
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phba->fc_stat.LinkMultiEvent++;
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if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)
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if (phba->fc_eventTag != 0)
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@ -3258,16 +3257,18 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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}
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phba->fc_eventTag = la->eventTag;
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if (phba->sli_rev < LPFC_SLI_REV4) {
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spin_lock_irq(&phba->hbalock);
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if (bf_get(lpfc_mbx_read_top_mm, la))
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phba->sli.sli_flag |= LPFC_MENLO_MAINT;
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else
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phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
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spin_unlock_irq(&phba->hbalock);
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}
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phba->link_events++;
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if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) &&
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(!bf_get(lpfc_mbx_read_top_mm, la))) {
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!(phba->sli.sli_flag & LPFC_MENLO_MAINT)) {
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phba->fc_stat.LinkUp++;
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if (phba->link_flag & LS_LOOPBACK_MODE) {
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lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
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@ -3312,8 +3313,8 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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bf_get(lpfc_mbx_read_top_fa, la));
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lpfc_mbx_issue_link_down(phba);
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}
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if ((bf_get(lpfc_mbx_read_top_mm, la)) &&
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(bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)) {
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if ((phba->sli.sli_flag & LPFC_MENLO_MAINT) &&
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((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP))) {
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if (phba->link_state != LPFC_LINK_DOWN) {
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phba->fc_stat.LinkDown++;
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lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
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@ -3341,8 +3342,9 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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}
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}
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if (bf_get(lpfc_mbx_read_top_fa, la)) {
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if (bf_get(lpfc_mbx_read_top_mm, la))
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if ((phba->sli_rev < LPFC_SLI_REV4) &&
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bf_get(lpfc_mbx_read_top_fa, la)) {
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if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
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lpfc_issue_clear_la(phba, vport);
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lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
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"1311 fa %d\n",
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