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