In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dmam_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx> --- drivers/i2c/busses/i2c-ismt.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 02d23edb2fb1..2f95e25a10f7 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -781,8 +781,6 @@ static int ismt_dev_init(struct ismt_priv *priv) if (!priv->hw) return -ENOMEM; - memset(priv->hw, 0, (ISMT_DESC_ENTRIES * sizeof(struct ismt_desc))); - priv->head = 0; init_completion(&priv->cmp); -- 2.11.0