netdev - Re: [PATCH] cmtp: fix argument error

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Date:   Fri, 31 Mar 2023 19:33:57 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Chenyuan Mi <michenyuan@...wei.com>
Cc:     isdn@...ux-pingi.de, marcel@...tmann.org, johan.hedberg@...il.com,
        luiz.dentz@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cmtp: fix argument error

On Fri, Mar 31, 2023 at 02:45:20PM +0800, Chenyuan Mi wrote:
> Fix this issue by using BTPROTO_CMTP as argument instead of BTPROTO_HIDP.

Thanks for your patch. Some things you may want to consider:

* I think it would be good to describe what the effect of this problem is,
  if it can be observed. And if not, say so. I think it would
  also be useful to state how the problem was found. F.e. using a tool, or
  by inspection.

* As this is described as a fix, it should probably have a fixes tag.
  I think it would be:

Fixes: 8c8de589cedd ("Bluetooth: Added /proc/net/cmtp via bt_procfs_init()")
> Signed-off-by: Chenyuan Mi <michenyuan@...wei.com>
> ---
>  net/bluetooth/cmtp/sock.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Code change looks good.

> diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
> index 96d49d9fae96..cf4370055ce2 100644
> --- a/net/bluetooth/cmtp/sock.c
> +++ b/net/bluetooth/cmtp/sock.c
> @@ -250,7 +250,7 @@ int cmtp_init_sockets(void)
>  	err = bt_procfs_init(&init_net, "cmtp", &cmtp_sk_list, NULL);
>  	if (err < 0) {
>  		BT_ERR("Failed to create CMTP proc file");
> -		bt_sock_unregister(BTPROTO_HIDP);
> +		bt_sock_unregister(BTPROTO_CMTP);
>  		goto error;
>  	}
>  
> -- 
> 2.25.1