diff options
| author | Fuqian Huang <huangfq.daxian@gmail.com> | 2019-06-27 13:34:01 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-06-29 11:42:23 -0400 |
| commit | 602e40a78567ffd7e5eaf235a116fd808cf85b75 (patch) | |
| tree | bba5dda5d69845ef9413f7153c1a818352ebaec8 | |
| parent | fec36aae0de14e31c7cf3e8be172d10a966de2ea (diff) | |
ata: libahci: Remove call to memset after dmam_alloc_coherent
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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/ata/libahci.c | 1 |
1 files changed, 0 insertions, 1 deletions
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) | |||
| 2365 | mem = dmam_alloc_coherent(dev, dma_sz, &mem_dma, GFP_KERNEL); | 2365 | mem = dmam_alloc_coherent(dev, dma_sz, &mem_dma, GFP_KERNEL); |
| 2366 | if (!mem) | 2366 | if (!mem) |
| 2367 | return -ENOMEM; | 2367 | return -ENOMEM; |
| 2368 | memset(mem, 0, dma_sz); | ||
| 2369 | 2368 | ||
| 2370 | /* | 2369 | /* |
| 2371 | * First item in chunk of DMA memory: 32-slot command table, | 2370 | * First item in chunk of DMA memory: 32-slot command table, |