scsi: lpfc: avoid double free of resource identifiers

Set variables initialized in lpfc_sli4_alloc_resource_identifiers() to
NULL if an error occurred. Otherwise, lpfc_sli4_driver_resource_unset()
attempts to free the memory again.

Signed-off-by: Roberto Sassu <rsassu@suse.de>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 4faa7672fc1d80add7e603e7bda066e5b98fd34b..a78a3df68f679659eb9d05b24133312a663ab812 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -5954,18 +5954,25 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba)
 
  free_vfi_bmask:
        kfree(phba->sli4_hba.vfi_bmask);
+       phba->sli4_hba.vfi_bmask = NULL;
  free_xri_ids:
        kfree(phba->sli4_hba.xri_ids);
+       phba->sli4_hba.xri_ids = NULL;
  free_xri_bmask:
        kfree(phba->sli4_hba.xri_bmask);
+       phba->sli4_hba.xri_bmask = NULL;
  free_vpi_ids:
        kfree(phba->vpi_ids);
+       phba->vpi_ids = NULL;
  free_vpi_bmask:
        kfree(phba->vpi_bmask);
+       phba->vpi_bmask = NULL;
  free_rpi_ids:
        kfree(phba->sli4_hba.rpi_ids);
+       phba->sli4_hba.rpi_ids = NULL;
  free_rpi_bmask:
        kfree(phba->sli4_hba.rpi_bmask);
+       phba->sli4_hba.rpi_bmask = NULL;
  err_exit:
        return rc;
 }