diff mbox series

[03/87] ata: libahci: Remove call to memset after dmam_alloc_coherent

Message ID 20190627173401.1985-1-huangfq.daxian@gmail.com
State Not Applicable
Delegated to: David Miller
Headers show
Series None | expand

Commit Message

Fuqian Huang June 27, 2019, 5:34 p.m. UTC
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/libahci.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 0984c4b76d7e..e4c45d3cca79 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -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,