* [PATCH 07/87] ata: sata_sil24: Remove call to memset after dmam_alloc_coherent
@ 2019-06-27 17:34 Fuqian Huang
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From: Fuqian Huang @ 2019-06-27 17:34 UTC (permalink / raw)
Cc: Fuqian Huang, Jens Axboe, linux-ide, linux-kernel
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@gmail.com>
---
drivers/ata/sata_sil24.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index bfdf41912588..98aad8206921 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -1202,7 +1202,6 @@ static int sil24_port_start(struct ata_port *ap)
cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
if (!cb)
return -ENOMEM;
- memset(cb, 0, cb_size);
pp->cmd_block = cb;
pp->cmd_block_dma = cb_dma;
--
2.11.0
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