[PATCH] scsi: lpfc: lpfc_init: use kcalloc for allocating memory

[Matei Oprea]

It's easier to use kcalloc for allocating arrays. While at it
also remove useless casting value.

Signed-off-by: Matei Oprea <eu@xxxxxxxxxxxxx>
Cc: ROSEdu Kernel Community <firefly@xxxxxxxxxxxxxxxx>
---
 drivers/scsi/lpfc/lpfc_init.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 635eeb3..1528f34 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -4742,12 +4742,14 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
 			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
 	}
 
-	if (!phba->sli.ring)
-		phba->sli.ring = (struct lpfc_sli_ring *)
-			kzalloc(LPFC_SLI3_MAX_RING *
-			sizeof(struct lpfc_sli_ring), GFP_KERNEL);
-	if (!phba->sli.ring)
-		return -ENOMEM;
+	if (unlikely(!phba->sli.ring)) {
+		phba->sli.ring = kcalloc(LPFC_SLI3_MAX_RING,
+				sizeof(struct lpfc_sli_ring),
+				GFP_KERNEL);
+
+		if (!phba->sli.ring)
+			return -ENOMEM;
+	}
 
 	/*
 	 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
-- 
1.9.1

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