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From: "Paul E. McKenney" <paulmck@kernel.org>
To: Jules Irenge <jbi.octave@gmail.com>
Cc: julia.lawall@lip6.fr, boqun.feng@gmail.com,
	Josh Triplett <josh@joshtriplett.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	"open list:READ-COPY UPDATE (RCU)" <rcu@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 06/10] rcu: Replace assigned pointer ret value by corresponding boolean value
Date: Mon, 30 Mar 2020 14:12:57 -0700	[thread overview]
Message-ID: <20200330211257.GP19865@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <20200327212358.5752-7-jbi.octave@gmail.com>

On Fri, Mar 27, 2020 at 09:23:53PM +0000, Jules Irenge wrote:
> Coccinelle reports warnings at rcu_read_lock_held_common()
> 
> WARNING: Assignment of 0/1 to bool variable
> 
> To fix this,
> the assigned  pointer ret values are replaced by corresponding boolean value.
> Given that ret is a pointer of bool type
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>

Queued for further review and testing, thank you!

							Thanx, Paul

> ---
>  kernel/rcu/update.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
> index 6c4b862f57d6..24fb64fd1a1a 100644
> --- a/kernel/rcu/update.c
> +++ b/kernel/rcu/update.c
> @@ -98,15 +98,15 @@ module_param(rcu_normal_after_boot, int, 0);
>  static bool rcu_read_lock_held_common(bool *ret)
>  {
>  	if (!debug_lockdep_rcu_enabled()) {
> -		*ret = 1;
> +		*ret = true;
>  		return true;
>  	}
>  	if (!rcu_is_watching()) {
> -		*ret = 0;
> +		*ret = false;
>  		return true;
>  	}
>  	if (!rcu_lockdep_current_cpu_online()) {
> -		*ret = 0;
> +		*ret = false;
>  		return true;
>  	}
>  	return false;
> -- 
> 2.25.1
> 

  reply	other threads:[~2020-03-30 21:13 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0/10>
     [not found] ` <20200327212358.5752-1-jbi.octave@gmail.com>
2020-03-27 21:23   ` [PATCH 01/10] locking/rtmutex: Remove Comparison to bool Jules Irenge
2020-03-28 11:28     ` Thomas Gleixner
2020-03-28 12:02       ` Jules Irenge
2020-03-28 12:44         ` Thomas Gleixner
2020-03-27 21:23   ` [PATCH 02/10] sched/topology: Replace 1 and 0 by boolean value Jules Irenge
2020-03-30 11:27     ` Peter Zijlstra
2020-04-03 16:23       ` Jules Irenge
2020-03-27 21:23   ` [PATCH 03/10] cpu: Remove Comparison to bool Jules Irenge
2020-03-28 11:29     ` Thomas Gleixner
2020-03-27 21:23   ` [PATCH 04/10] irq: Replace 1 by true Jules Irenge
2020-03-27 21:23   ` [PATCH 05/10] softirq: Replace BUG() after if statement with BUG_ON Jules Irenge
2020-03-28 11:22     ` Thomas Gleixner
2020-03-27 21:23   ` [PATCH 06/10] rcu: Replace assigned pointer ret value by corresponding boolean value Jules Irenge
2020-03-30 21:12     ` Paul E. McKenney [this message]
2020-03-27 21:23   ` [PATCH 07/10] sched/fair: Replace 1 and 0 by " Jules Irenge
2020-03-30 11:29     ` Peter Zijlstra
2020-03-27 21:23   ` [PATCH 08/10] trace: Replace printk and WARN_ON with WARN Jules Irenge
2020-03-27 21:23   ` [PATCH 09/10] kernel/sysctl.c: Replace 1 and 0 by corresponding boolean value Jules Irenge
2020-03-28 21:24     ` Kees Cook
2020-03-27 21:23   ` [PATCH 10/10] trace: Replace printk and WARN_ON with WARN Jules Irenge
2020-03-27 22:51     ` Steven Rostedt
2020-03-28 12:00       ` Jules Irenge

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