| Message ID | 20190715031654.6223-1-huangfq.daxian@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,01/24] sh: mm: Remove call to memset after dma_alloc_coherent | expand |
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 792f36129062..b09510adfae9 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -58,8 +58,6 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, return -ENOMEM; } - memset(buf, 0, memsize); - r->flags = IORESOURCE_MEM; r->start = dma_handle; r->end = r->start + memsize - 1;
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.daxian@gmail.com> --- Changes in v3: - Use actual commit rather than the merge commit in the commit message arch/sh/mm/consistent.c | 2 -- 1 file changed, 2 deletions(-)