linux-kernel - Re: [PATCH] kernel: kprobes: Remove unnecessary ‘0’ values

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Date:   Mon, 10 Jul 2023 18:48:39 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     Li zeming <zeming@...china.com>
Cc:     naveen.n.rao@...ux.ibm.com, anil.s.keshavamurthy@...el.com,
        davem@...emloft.net, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH] kernel: kprobes: Remove unnecessary ‘0’ values

On Wed, 12 Jul 2023 02:53:53 +0800
Li zeming <zeming@...china.com> wrote:

> it is assigned first, so it does not need to initialize the assignment.
> 

Looks good to me.

Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>

Thanks!

> Signed-off-by: Li zeming <zeming@...china.com>
> ---
>  kernel/kprobes.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index 00e177de91cc..83e6f76fca04 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -1072,7 +1072,7 @@ static int kprobe_ftrace_enabled;
>  static int __arm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops,
>  			       int *cnt)
>  {
> -	int ret = 0;
> +	int ret;
>  
>  	lockdep_assert_held(&kprobe_mutex);
>  
> @@ -1110,7 +1110,7 @@ static int arm_kprobe_ftrace(struct kprobe *p)
>  static int __disarm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops,
>  				  int *cnt)
>  {
> -	int ret = 0;
> +	int ret;
>  
>  	lockdep_assert_held(&kprobe_mutex);
>  
> @@ -2692,7 +2692,7 @@ void kprobe_free_init_mem(void)
>  
>  static int __init init_kprobes(void)
>  {
> -	int i, err = 0;
> +	int i, err;
>  
>  	/* FIXME allocate the probe table, currently defined statically */
>  	/* initialize all list heads */
> -- 
> 2.18.2
> 


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>