In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.dax...@gmail.com>
---
Changes in v3:
  - Use actual commit rather than the merge commit in the commit message

 sound/ppc/pmac.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 1b11e53f6a62..1ab12f4f8631 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -56,7 +56,6 @@ static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct 
pmac_dbdma *rec, i
        if (rec->space == NULL)
                return -ENOMEM;
        rec->size = size;
-       memset(rec->space, 0, rsize);
        rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space);
        rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char 
*)rec->space);
 
-- 
2.11.0

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