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* [PATCH 04/87] ata: pdc_adma: Remove call to memset after dmam_alloc_coherent
@ 2019-06-27 17:34 Fuqian Huang
  0 siblings, 0 replies; only message in thread
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/pdc_adma.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 52fa8606a25f..c5bbb07aa7d9 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -550,7 +550,6 @@ static int adma_port_start(struct ata_port *ap)
 						(u32)pp->pkt_dma);
 		return -ENOMEM;
 	}
-	memset(pp->pkt, 0, ADMA_PKT_BYTES);
 	ap->private_data = pp;
 	adma_reinit_engine(ap);
 	return 0;
-- 
2.11.0


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2019-06-27 17:34 [PATCH 04/87] ata: pdc_adma: Remove call to memset after dmam_alloc_coherent Fuqian Huang

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