linux-kernel - Re: [PATCH] rbtree: Remove unneeded check condition in rb_find

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Date:   Thu, 30 Sep 2021 15:58:50 -0700
From:   Michel Lespinasse <michel@...pinasse.org>
To:     Li RongQing <lirongqing@...du.com>
Cc:     linux-kernel@...r.kernel.org, michel@...pinasse.org
Subject: Re: [PATCH] rbtree: Remove unneeded check condition in rb_find_first

On Thu, Sep 30, 2021 at 03:16:36PM +0800, Li RongQing wrote:
> the variable c is int type, so change the following condition
> 
> 	 if (c <= 0) {
> 
> 	 }
> 	 else if (c > 0) {
> 
> 	 }
> as:
> 	 if (c <= 0) {
> 
> 	 }
> 	 else {
> 
> 	 }
> 
> Spotted-by: Michel Lespinasse <<michel@...pinasse.org>>
> Signed-off-by: Li RongQing <lirongqing@...du.com>
> ---
>  include/linux/rbtree.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
> index 235047d..d5ac8f7 100644
> --- a/include/linux/rbtree.h
> +++ b/include/linux/rbtree.h
> @@ -294,7 +294,7 @@ static inline void rb_replace_node_cached(struct rb_node *victim,
>  			if (!c)
>  				match = node;
>  			node = node->rb_left;
> -		} else if (c > 0) {
> +		} else {
>  			node = node->rb_right;
>  		}
>  	}

Looks good to me, thanks for the fix.

Reviewed-by: Michel Lespinasse <michel@...pinasse.org>

--
Michel "walken" Lespinasse