linux-kernel - Re: [PATCH] speakup: fix uninitialized flush

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Date:   Tue, 17 Nov 2020 07:59:40 +0100
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     speakup@...ux-speakup.org, linux-kernel@...r.kernel.org,
        w.d.hubbs@...il.com, gregkh@...uxfoundation.org
Subject: Re: [PATCH] speakup: fix uninitialized flush_lock

Yang Yingliang, le mar. 17 nov. 2020 09:22:29 +0800, a ecrit:
> The flush_lock is uninitialized, use DEFINE_SPINLOCK
> to define and initialize flush_lock.
> 
> Fixes: c6e3fd22cd53 ("Staging: add speakup to the staging directory")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Reviewed-by: Samuel Thibault <samuel.thibault@...-lyon.org>

> ---
>  drivers/accessibility/speakup/speakup_dectlk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/accessibility/speakup/speakup_dectlk.c b/drivers/accessibility/speakup/speakup_dectlk.c
> index 780214b5ca16..ab6d61e80b1c 100644
> --- a/drivers/accessibility/speakup/speakup_dectlk.c
> +++ b/drivers/accessibility/speakup/speakup_dectlk.c
> @@ -37,7 +37,7 @@ static unsigned char get_index(struct spk_synth *synth);
>  static int in_escape;
>  static int is_flushing;
>  
> -static spinlock_t flush_lock;
> +static DEFINE_SPINLOCK(flush_lock);
>  static DECLARE_WAIT_QUEUE_HEAD(flush);
>  
>  static struct var_t vars[] = {
> -- 
> 2.25.1
>