[PATCH] SCSI-lpfc: Delete unnecessary checks before the function call "mempool_destroy"

From: SF Markus Elfring
Date: Tue Nov 17 2015 - 03:44:45 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 17 Nov 2015 09:34:27 +0100

The mempool_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_mem.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 3fa6533..4fb3581 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -231,15 +231,13 @@ lpfc_mem_free(struct lpfc_hba *phba)
if (phba->lpfc_hbq_pool)
pci_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 */
mempool_destroy(phba->nlp_mem_pool);
phba->nlp_mem_pool = NULL;
- if (phba->sli_rev == LPFC_SLI_REV4 && phba->active_rrq_pool) {
+ if (phba->sli_rev == LPFC_SLI_REV4) {
mempool_destroy(phba->active_rrq_pool);
phba->active_rrq_pool = NULL;
}
--
2.6.2

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