[SCSI] lpfc 8.2.5 : Miscellaneous discovery Fixes

Miscellaneous discovery fixes:
- Flush RSCN buffers on vports when reseting HBA.
- Fix incorrect FLOGI after vport reg failed
- Fix a potential fabric ELS race condition
- Fix handling of failed PLOGI command under high lip rates
- Fix FDISC handling
- Fix debug logging for npiv handling

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 6dc5ab8d6716..27448c98c07a 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -265,6 +265,9 @@ lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
 {
         struct hbq_dmabuf *hbq_entry;
 
+        if (!mp)
+                return;
+
         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
                 hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
                 if (hbq_entry->tag == -1) {
@@ -279,4 +282,3 @@ lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
         }
         return;
 }
-