ata: sata_sil24: 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>

diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index bfdf419..98aad82 100644 (file)
--- 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;