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ata: sata_nv: Remove call to memset after dmam_alloc_coherent 

In commit af7ddd8a62
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Fuqian Huang 2019-06-28 01:34:18 +08:00 committed by Jens Axboe
parent 65315bbbfd
commit 523e099b69
1 changed files with 0 additions and 2 deletions
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2
drivers/ata/sata_nv.c
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@ -1136,7 +1136,6 @@ static int nv_adma_port_start(struct ata_port *ap)
&mem_dma, GFP_KERNEL); &mem_dma, GFP_KERNEL);
if (!mem) if (!mem)
return -ENOMEM; return -ENOMEM;
memset(mem, 0, NV_ADMA_PORT_PRIV_DMA_SZ);
/* /*
* First item in chunk of DMA memory: * First item in chunk of DMA memory:
@ -1946,7 +1945,6 @@ static int nv_swncq_port_start(struct ata_port *ap)
&pp->prd_dma, GFP_KERNEL); &pp->prd_dma, GFP_KERNEL);
if (!pp->prd) if (!pp->prd)
return -ENOMEM; return -ENOMEM;
memset(pp->prd, 0, ATA_PRD_TBL_SZ * ATA_MAX_QUEUE);
ap->private_data = pp; ap->private_data = pp;
pp->sactive_block = ap->ioaddr.scr_addr + 4 * SCR_ACTIVE; pp->sactive_block = ap->ioaddr.scr_addr + 4 * SCR_ACTIVE;