[PATCH] scsi: lpfc: NULL check before some freeing functions is not needed.

From: Thomas Meyer
Date: Sun Dec 02 2018 - 16:14:53 EST


NULL check before some freeing functions is not needed.

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -1276,8 +1276,7 @@ lpfc_bsg_hba_set_event(struct bsg_job *j
return 0; /* call job done later */

job_error:
- if (dd_data != NULL)
- kfree(dd_data);
+ kfree(dd_data);

job->dd_data = NULL;
return rc;
diff -u -p a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -12450,8 +12450,7 @@ lpfc_sli4_oas_verify(struct lpfc_hba *ph
phba->cfg_fof = 1;
} else {
phba->cfg_fof = 0;
- if (phba->device_data_mem_pool)
- mempool_destroy(phba->device_data_mem_pool);
+ mempool_destroy(phba->device_data_mem_pool);
phba->device_data_mem_pool = NULL;
}

diff -u -p a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -248,25 +248,19 @@ lpfc_mem_free(struct lpfc_hba *phba)

/* Free HBQ pools */
lpfc_sli_hbqbuf_free_all(phba);
- if (phba->lpfc_nvmet_drb_pool)
- dma_pool_destroy(phba->lpfc_nvmet_drb_pool);
+ dma_pool_destroy(phba->lpfc_nvmet_drb_pool);
phba->lpfc_nvmet_drb_pool = NULL;
- if (phba->lpfc_drb_pool)
- dma_pool_destroy(phba->lpfc_drb_pool);
+ dma_pool_destroy(phba->lpfc_drb_pool);
phba->lpfc_drb_pool = NULL;
- if (phba->lpfc_hrb_pool)
- dma_pool_destroy(phba->lpfc_hrb_pool);
+ dma_pool_destroy(phba->lpfc_hrb_pool);
phba->lpfc_hrb_pool = NULL;
- if (phba->txrdy_payload_pool)
- dma_pool_destroy(phba->txrdy_payload_pool);
+ dma_pool_destroy(phba->txrdy_payload_pool);
phba->txrdy_payload_pool = NULL;

- if (phba->lpfc_hbq_pool)
- dma_pool_destroy(phba->lpfc_hbq_pool);
+ dma_pool_destroy(phba->lpfc_hbq_pool);
phba->lpfc_hbq_pool = NULL;

- if (phba->rrq_pool)
- mempool_destroy(phba->rrq_pool);
+ mempool_destroy(phba->rrq_pool);
phba->rrq_pool = NULL;

/* Free NLP memory pool */