Re: [PATCH net-next v2 01/10] net: wan: Remove unnecessary (void*) conversions

From: Andrew Lunn
Date: Mon Jul 10 2023 - 12:34:51 EST


On Mon, Jul 10, 2023 at 02:39:33PM +0800, Su Hui wrote:
> From: wuych <yunchuan@xxxxxxxxxxxx>
>
> Pointer variables of void * type do not require type cast.
>
> Signed-off-by: wuych <yunchuan@xxxxxxxxxxxx>
> ---
> drivers/net/wan/fsl_ucc_hdlc.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
> index 47c2ad7a3e42..73c73d8f4bb2 100644
> --- a/drivers/net/wan/fsl_ucc_hdlc.c
> +++ b/drivers/net/wan/fsl_ucc_hdlc.c
> @@ -350,11 +350,11 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
> static netdev_tx_t ucc_hdlc_tx(struct sk_buff *skb, struct net_device *dev)
> {
> hdlc_device *hdlc = dev_to_hdlc(dev);
> - struct ucc_hdlc_private *priv = (struct ucc_hdlc_private *)hdlc->priv;
> - struct qe_bd *bd;
> - u16 bd_status;
> + struct ucc_hdlc_private *priv = hdlc->priv;
> unsigned long flags;
> __be16 *proto_head;
> + struct qe_bd *bd;
> + u16 bd_status;

When dealing with existing broken reverse Christmas tree, please don't
make it worse with a change. But actually fixing it should be in a
different patch.

We want patches to be obviously correct. By removing the cast and
moving variables around, it is less obvious it is correct, than having
two patches.

Andrew