In commit af7ddd8a627c
("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@xxxxxxxxx>
---
drivers/ata/sata_nv.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 54bfab15c74a..b44b4b64354c 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -1136,7 +1136,6 @@ static int nv_adma_port_start(struct ata_port *ap)
&mem_dma, GFP_KERNEL);
if (!mem)
return -ENOMEM;
- memset(mem, 0, NV_ADMA_PORT_PRIV_DMA_SZ);
/*
* 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);
if (!pp->prd)
return -ENOMEM;
- memset(pp->prd, 0, ATA_PRD_TBL_SZ * ATA_MAX_QUEUE);
ap->private_data = pp;
pp->sactive_block = ap->ioaddr.scr_addr + 4 * SCR_ACTIVE;
--
2.11.0
