Commit fec36aae authored Jun 28, 2019 by Fuqian Huang Committed by Jens Axboe Jun 29, 2019

ata: acard-ahci: 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: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent ca156e00

drivers/ata/acard-ahci.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -344,7 +344,6 @@ static int acard_ahci_port_start(struct ata_port *ap)
		mem = dmam_alloc_coherent(dev, dma_sz, &mem_dma, GFP_KERNEL);
		if (!mem)
		return -ENOMEM;
		memset(mem, 0, dma_sz);

		/*
		* First item in chunk of DMA memory: 32-slot command table,

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