linux-kernel - Re: [PATCH bpf-next] bpfilter: Fix mismatch in function argument types

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Message-ID: <66c14347-6006-08f8-1b32-b3ba6b9fa6bb@huawei.com>
Date:   Thu, 19 Jul 2018 15:55:55 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next] bpfilter: Fix mismatch in function argument
 types

send wrong patch ,pls ignore it.

On 2018/7/19 15:25, YueHaibing wrote:
> Fix following warning:
> net/ipv4/bpfilter/sockopt.c:28:5: error: symbol 'bpfilter_ip_set_sockopt' redeclared with different type
> net/ipv4/bpfilter/sockopt.c:34:5: error: symbol 'bpfilter_ip_get_sockopt' redeclared with different type
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  include/linux/bpfilter.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/bpfilter.h b/include/linux/bpfilter.h
> index 687b176..43acfa8 100644
> --- a/include/linux/bpfilter.h
> +++ b/include/linux/bpfilter.h
> @@ -5,9 +5,9 @@
>  #include <uapi/linux/bpfilter.h>
>  
>  struct sock;
> -int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char *optval,
> +int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval,
>  			    unsigned int optlen);
> -int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char *optval,
> +int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
>  			    int *optlen);
>  extern int (*bpfilter_process_sockopt)(struct sock *sk, int optname,
>  				       char __user *optval,
>