* [PATCH 06/87] ata:sata_qstor: 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/sata_qstor.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 7ec0c216a6a6..865e5c58bd94 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -477,7 +477,6 @@ static int qs_port_start(struct ata_port *ap)
GFP_KERNEL);
if (!pp->pkt)
return -ENOMEM;
- memset(pp->pkt, 0, QS_PKT_BYTES);
ap->private_data = pp;
qs_enter_reg_mode(ap);
--
2.11.0
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