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authorJames Smart <james.smart@emulex.com>2015-04-07 15:07:20 -0400
committerJames Bottomley <JBottomley@Odin.com>2015-04-10 07:49:10 -0700
commit63e480fd2f598e9ad37f89e79c36834e7dd60ba0 (patch)
tree71d75fa200030fd26b1b6fb3c065e96c0c88d57f /drivers/scsi
parent76b2c34aeb947a649e52e0f03f5b930ef936e506 (diff)
downloadop-kernel-dev-63e480fd2f598e9ad37f89e79c36834e7dd60ba0.zip
op-kernel-dev-63e480fd2f598e9ad37f89e79c36834e7dd60ba0.tar.gz
lpfc: Fix null ndlp dereference in target_reset_handler
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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index f623299..5612ba6 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -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;
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