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Subject[PATCH 9/9] scsi: bnx2i: Use zeroing allocator rather than allocator/memset
Date
Use dma_zalloc_coherent instead of dma_alloc_coherent followed by
memset 0.

Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci

Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.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 9e3bf53..c6a0bd6 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1069,16 +1069,15 @@ 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;
@@ -1106,15 +1105,14 @@ 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;
--
2.7.4
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