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

From: Richard Weinberger
Date: Thu Dec 25 2014 - 07:18:40 EST


On Thu, Dec 25, 2014 at 10:43 AM, Fabian Frederick <fabf@xxxxxxxxx> 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@xxxxxxxxxxxxxxx
> Cc: Jeff Mahoney <jeffm@xxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
> ---
> 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
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