linux-kernel - Re: [PATCH] net/socket: Remove unnecessary ‘0’ values from used

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Message-ID: <a67042bc-ec43-17a4-257e-8276646fc0e3@suse.de>
Date:   Fri, 1 Sep 2023 14:07:21 +0300
From:   Denis Kirjanov <dkirjanov@...e.de>
To:     Li zeming <zeming@...china.com>, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/socket: Remove unnecessary ‘0’ values from used



On 9/2/23 21:22, Li zeming wrote:
> used is assigned first, so it does not need to initialize the
> assignment.

that should be posted to net-next once it open

> 
> Signed-off-by: Li zeming <zeming@...china.com>
> ---
>  net/socket.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/socket.c b/net/socket.c
> index 2b0e54b2405c..743e54eba06f 100644
> --- a/net/socket.c
> +++ b/net/socket.c
> @@ -569,12 +569,12 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
>  				size_t size)
>  {
>  	ssize_t len;
> -	ssize_t used = 0;
> +	ssize_t used;
>  
>  	len = security_inode_listsecurity(d_inode(dentry), buffer, size);
>  	if (len < 0)
>  		return len;
> -	used += len;
> +	used = len;
>  	if (buffer) {
>  		if (size < used)
>  			return -ERANGE;