[SCSI] lpfc driver 8.0.30 : fix get_stats panic

Fix panic in lpfc_get_stats()

Symptoms: Panic on sysfs stats access

Cause: In lpfc_get_stats() we are writing to memory that we do not
own.

Fix: Fix our stats structure allocation. Embed phba->link_stats in
struct lpfc_hba and stop treating it like rogue structure.

Note: Embedding midlayer/transport structure in our structure caused
need for more files to include midlayer/transport headers.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 34d416d2b007..1b6d1dcdabb3 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1339,14 +1339,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
                 goto out_disable_device;
 
-        host = scsi_host_alloc(&lpfc_template,
-                        sizeof (struct lpfc_hba) + sizeof (unsigned long));
+        host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
         if (!host)
                 goto out_release_regions;
 
         phba = (struct lpfc_hba*)host->hostdata;
         memset(phba, 0, sizeof (struct lpfc_hba));
-        phba->link_stats = (void *)&phba[1];
         phba->host = host;
 
         phba->fc_flag |= FC_LOADING;