Re: [PATCH 1/1 linux-next] fs/reiserfs/inode.c: replace 0 by NULL for pointers

[Richard Weinberger <richard.weinberger@gmail.com>]

On Thu, Dec 25, 2014 at 10:43 AM, Fabian Frederick <fabf@skynet.be> wrote:
> Fix sparse warning:
> fs/reiserfs/inode.c:2769:19: warning: Using plain integer as NULL pointer

I see such fixes often and I always wonder whether this is still an
issue with modern compilers/computers.
Can you point out a problem which will be fixed by your patch?

> Cc: reiserfs-devel@vger.kernel.org
> Cc: Jeff Mahoney <jeffm@suse.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Fabian Frederick <fabf@skynet.be>
> ---
>  fs/reiserfs/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
> index a7eec98..e72401e 100644
> --- a/fs/reiserfs/inode.c
> +++ b/fs/reiserfs/inode.c
> @@ -2766,7 +2766,7 @@ static int reiserfs_write_begin(struct file *file,
>         int old_ref = 0;
>
>         inode = mapping->host;
> -       *fsdata = 0;
> +       *fsdata = NULL;
>         if (flags & AOP_FLAG_CONT_EXPAND &&
>             (pos & (inode->i_sb->s_blocksize - 1)) == 0) {
>                 pos ++;
> --
> 1.9.1
>
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-- 
Thanks,
//richard