linux-kernel - Re: [PATCH] fsnotify/fdinfo: exportfs_encode_inode

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Date:   Thu, 17 Oct 2019 10:33:26 +0200
From:   Jan Kara <jack@...e.cz>
To:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
Cc:     linux-kernel@...ts.codethink.co.uk, Jan Kara <jack@...e.cz>,
        Amir Goldstein <amir73il@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fsnotify/fdinfo: exportfs_encode_inode_fh() takes
 pointer as 4th argument

On Wed 16-10-19 10:59:55, Ben Dooks (Codethink) wrote:
> The call to exportfs_encode_inode_fh() takes an pointer
> as the 4th argument, so replace the integer 0 with the
> NULL pointer.
> 
> This fixes the following sparse warning:
> 
> fs/notify/fdinfo.c:53:87: warning: Using plain integer as NULL pointer
> 
> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>

Thanks for the cleanup! Applied.

								Honza

> ---
> Cc: Jan Kara <jack@...e.cz>
> Cc: Amir Goldstein <amir73il@...il.com>
> Cc: linux-fsdevel@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  fs/notify/fdinfo.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c
> index 1e2bfd26b352..ef83f4020554 100644
> --- a/fs/notify/fdinfo.c
> +++ b/fs/notify/fdinfo.c
> @@ -50,7 +50,7 @@ static void show_mark_fhandle(struct seq_file *m, struct inode *inode)
>  	f.handle.handle_bytes = sizeof(f.pad);
>  	size = f.handle.handle_bytes >> 2;
>  
> -	ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0);
> +	ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, NULL);
>  	if ((ret == FILEID_INVALID) || (ret < 0)) {
>  		WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret);
>  		return;
> -- 
> 2.23.0
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR