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Commit 523e099b authored by Fuqian Huang's avatar Fuqian Huang Committed by Jens Axboe
Browse files

ata: sata_nv: Remove call to memset after dmam_alloc_coherent 

In commit af7ddd8a
("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: default avatarFuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 65315bbb

drivers/ata/sata_nv.c

+0 −2
Original line number Diff line number Diff line
@@ -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;