Re: [PATCH] btrfs: remove unneeded NULL initializer for struct fs_path

[David Sterba]

On Sat, Sep 26, 2015 at 12:05:19PM +0000, Alexandru Moise wrote:
> fs_path_alloc() either returns an alloc'ed struct fs_path
> or NULL, no need to initialize the pointer to NULL.
> 
> Signed-off-by: Alexandru Moise <00moses.alexander00@xxxxxxxxx>
> ---
>  fs/btrfs/send.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
> index aa72bfd..0019c90 100644
> --- a/fs/btrfs/send.c
> +++ b/fs/btrfs/send.c
> @@ -2230,7 +2230,7 @@ static int get_cur_path(struct send_ctx *sctx, u64 ino, u64 gen,
>  			struct fs_path *dest)
>  {
>  	int ret = 0;
> -	struct fs_path *name = NULL;
> +	struct fs_path *name;

I'd rather see all such instances fixed in one patch. Quick grep
revealed a few more. OTOH this kind of extra initialization is harmless
and sometimes help readability, it's clear that he value is zeroed.
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