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Date:	Mon, 16 Jun 2014 06:31:43 +0000
From:	Anil Gurumurthy <>
To:	Joe Perches <>,
	linux-kernel <>
CC:	Sudarsana Kalluru <>,
	"James E.J. Bottomley" <>,
	linux-scsi <>
Subject: RE: [PATCH -next 15/26] bfa: Use dma_zalloc_coherent

Thanks for the patch.
Acked-by: Anil Gurumurthy <>

-----Original Message-----
From: Joe Perches []
Sent: 16 June 2014 02:08
To: linux-kernel
Cc: Anil Gurumurthy; Sudarsana Kalluru; James E.J. Bottomley; linux-scsi
Subject: [PATCH -next 15/26] bfa: Use dma_zalloc_coherent

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

Signed-off-by: Joe Perches <>
 drivers/scsi/bfa/bfad_bsg.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 8994fb8..65f3e74 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -3270,13 +3270,13 @@ bfad_fcxp_map_sg(struct bfad_s *bfad, void *payload_kbuf,
        /* Allocate dma coherent memory */
        buf_info = buf_base;
        buf_info->size = payload_len;
-       buf_info->virt = dma_alloc_coherent(&bfad->pcidev->dev, buf_info->size,
-                                       &buf_info->phys, GFP_KERNEL);
+       buf_info->virt = dma_zalloc_coherent(&bfad->pcidev->dev,
+                                            buf_info->size, &buf_info->phys,
+                                            GFP_KERNEL);
        if (!buf_info->virt)
                goto out_free_mem;

        /* copy the linear bsg buffer to buf_info */
-       memset(buf_info->virt, 0, buf_info->size);
        memcpy(buf_info->virt, payload_kbuf, buf_info->size);



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