In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of 
git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.dax...@gmail.com>
---
 drivers/media/platform/exynos4-is/fimc-is.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/platform/exynos4-is/fimc-is.c 
b/drivers/media/platform/exynos4-is/fimc-is.c
index e043d55133a3..77633e356305 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -341,7 +341,6 @@ static int fimc_is_alloc_cpu_memory(struct fimc_is *is)
                return -ENOMEM;
 
        is->memory.size = FIMC_IS_CPU_MEM_SIZE;
-       memset(is->memory.vaddr, 0, is->memory.size);
 
        dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr);
 
-- 
2.11.0

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