linux-kernel - Re: [PATCH net-next v2 03/10] net: ppp: Remove unnecessary (void*) conversions

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Message-ID: <9880bad7-66b5-4d73-7464-8be859d8b56f@nfschina.com>
Date:   Mon, 17 Jul 2023 09:33:30 +0800
From:   yunchuan <yunchuan@...china.com>
To:     Guillaume Nault <gnault@...hat.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, xeb@...l.ru, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next v2 03/10] net: ppp: Remove unnecessary (void*)
 conversions

On 2023/7/14 17:07, Guillaume Nault wrote:
> On Mon, Jul 10, 2023 at 02:40:27PM +0800, Su Hui wrote:
>> From: wuych <yunchuan@...china.com>
>>
>> Pointer variables of void * type do not require type cast.
>>
>> Signed-off-by: wuych <yunchuan@...china.com>
>> ---
>>   drivers/net/ppp/pppoe.c | 4 ++--
>>   drivers/net/ppp/pptp.c  | 4 ++--
>>   2 files changed, 4 insertions(+), 4 deletions(-)
> Reviewed-by: Guillaume Nault <gnault@...hat.com>
>
> While there, you might want to also remove the useless casts in
> net/l2tp/l2tp_ppp.c and net/atm/pppoatm.c.

Hi,

Thanks four your reminder! There are about 20 useless casts in net.
I will remove all of them.

Wu Yunchuan

>> diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
>> index 3b79c603b936..ba8b6bd8233c 100644
>> --- a/drivers/net/ppp/pppoe.c
>> +++ b/drivers/net/ppp/pppoe.c
>> @@ -968,7 +968,7 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
>>    ***********************************************************************/
>>   static int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb)
>>   {
>> -	struct sock *sk = (struct sock *)chan->private;
>> +	struct sock *sk = chan->private;
>>   	return __pppoe_xmit(sk, skb);
>>   }
>>   
>> @@ -976,7 +976,7 @@ static int pppoe_fill_forward_path(struct net_device_path_ctx *ctx,
>>   				   struct net_device_path *path,
>>   				   const struct ppp_channel *chan)
>>   {
>> -	struct sock *sk = (struct sock *)chan->private;
>> +	struct sock *sk = chan->private;
>>   	struct pppox_sock *po = pppox_sk(sk);
>>   	struct net_device *dev = po->pppoe_dev;
>>   
>> diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
>> index 32183f24e63f..6b3d3df99549 100644
>> --- a/drivers/net/ppp/pptp.c
>> +++ b/drivers/net/ppp/pptp.c
>> @@ -148,7 +148,7 @@ static struct rtable *pptp_route_output(struct pppox_sock *po,
>>   
>>   static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
>>   {
>> -	struct sock *sk = (struct sock *) chan->private;
>> +	struct sock *sk = chan->private;
>>   	struct pppox_sock *po = pppox_sk(sk);
>>   	struct net *net = sock_net(sk);
>>   	struct pptp_opt *opt = &po->proto.pptp;
>> @@ -575,7 +575,7 @@ static int pptp_create(struct net *net, struct socket *sock, int kern)
>>   static int pptp_ppp_ioctl(struct ppp_channel *chan, unsigned int cmd,
>>   	unsigned long arg)
>>   {
>> -	struct sock *sk = (struct sock *) chan->private;
>> +	struct sock *sk = chan->private;
>>   	struct pppox_sock *po = pppox_sk(sk);
>>   	struct pptp_opt *opt = &po->proto.pptp;
>>   	void __user *argp = (void __user *)arg;
>> -- 
>> 2.30.2
>>
>>