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lpfc: fix race between LOGO/PLOGI handling causing NULL pointer

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Fix race between LOGO/PLOGI handling causing NULL pointer

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
James Smart
2014-09-03 12:57:19 -04:00
committed by Christoph Hellwig
parent 2f6fa2c911
commit 12838e74f5
3 changed files with 30 additions and 2 deletions
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7
drivers/scsi/lpfc/lpfc_els.c
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@@ -6693,6 +6693,13 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
phba->fc_stat.elsRcvFrame++;
/*
* Do not process any unsolicited ELS commands
* if the ndlp is in DEV_LOSS
*/
if (ndlp->nlp_add_flag & NLP_IN_DEV_LOSS)
goto dropit;
elsiocb->context1 = lpfc_nlp_get(ndlp);
elsiocb->vport = vport;