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lpfc: Fix null ndlp dereference in target_reset_handler

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Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
James Smart 2015-04-07 15:07:20 -04:00 committed by James Bottomley
parent 76b2c34aeb
commit 63e480fd2f
1 changed files with 6 additions and 4 deletions
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10
drivers/scsi/lpfc/lpfc_scsi.c
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@ -5202,10 +5202,12 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
if (status == FAILED) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
"0722 Target Reset rport failure: rdata x%p\n", rdata);
spin_lock_irq(shost->host_lock);
pnode->nlp_flag &= ~NLP_NPR_ADISC;
pnode->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
spin_unlock_irq(shost->host_lock);
if (pnode) {
spin_lock_irq(shost->host_lock);
pnode->nlp_flag &= ~NLP_NPR_ADISC;
pnode->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
spin_unlock_irq(shost->host_lock);
}
lpfc_reset_flush_io_context(vport, tgt_id, lun_id,
LPFC_CTX_TGT);
return FAST_IO_FAIL;