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/scsi/aacraid/rx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 3dea348bd25d..4d3484cbca26 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -353,7 +353,6 @@ static int aac_rx_check_health(struct aac_dev *dev)
                        dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr);
                        return ret;
                }
-               memset(buffer, 0, 512);
                post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS);
                post->Post_Address = cpu_to_le32(baddr);
                rx_writel(dev, MUnit.IMRx[0], paddr);
-- 
2.11.0

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