linux-kernel - [PATCH -next 17/26] bnx2i: Use dma_zalloc

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Date:	Sun, 15 Jun 2014 13:37:46 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	Eddie Wai <eddie.wai@...adcom.com>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org
Subject: [PATCH -next 17/26] bnx2i: Use dma_zalloc_coherent

Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/scsi/bnx2i/bnx2i_hwi.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index d6d491c..12d38e8 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1080,16 +1080,15 @@ int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
 	}
 
 	/* Allocate memory area for actual SQ element */
-	ep->qp.sq_virt =
-		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.sq_mem_size,
-				   &ep->qp.sq_phys, GFP_KERNEL);
+	ep->qp.sq_virt = dma_zalloc_coherent(&hba->pcidev->dev,
+					     ep->qp.sq_mem_size,
+					     &ep->qp.sq_phys, GFP_KERNEL);
 	if (!ep->qp.sq_virt) {
 		printk(KERN_ALERT "bnx2i: unable to alloc SQ BD memory %d\n",
 				  ep->qp.sq_mem_size);
 		goto mem_alloc_err;
 	}
 
-	memset(ep->qp.sq_virt, 0x00, ep->qp.sq_mem_size);
 	ep->qp.sq_first_qe = ep->qp.sq_virt;
 	ep->qp.sq_prod_qe = ep->qp.sq_first_qe;
 	ep->qp.sq_cons_qe = ep->qp.sq_first_qe;
@@ -1117,15 +1116,14 @@ int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
 	}
 
 	/* Allocate memory area for actual CQ element */
-	ep->qp.cq_virt =
-		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.cq_mem_size,
-				   &ep->qp.cq_phys, GFP_KERNEL);
+	ep->qp.cq_virt = dma_zalloc_coherent(&hba->pcidev->dev,
+					     ep->qp.cq_mem_size,
+					     &ep->qp.cq_phys, GFP_KERNEL);
 	if (!ep->qp.cq_virt) {
 		printk(KERN_ALERT "bnx2i: unable to alloc CQ BD memory %d\n",
 				  ep->qp.cq_mem_size);
 		goto mem_alloc_err;
 	}
-	memset(ep->qp.cq_virt, 0x00, ep->qp.cq_mem_size);
 
 	ep->qp.cq_first_qe = ep->qp.cq_virt;
 	ep->qp.cq_prod_qe = ep->qp.cq_first_qe;
-- 
1.8.1.2.459.gbcd45b4.dirty

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