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ata: libahci: Remove call to memset after dmam_alloc_coherent

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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 <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Fuqian Huang 2019-06-28 01:34:01 +08:00 • committed by Jens Axboe
commit 602e40a785
1 changed files with 0 additions and 1 deletions
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1
drivers/ata/libahci.c
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@ -2365,7 +2365,6 @@ static int 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,