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From: Peter Chen <hzpeterchen@gmail.com>
To: Michael Thalmeier <michael.thalmeier@hale.at>
Cc: Peter Chen <Peter.Chen@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<michael@thalmeier.at>
Subject: Re: [PATCH] usb: chipidea: debug: check before accessing ci_role
Date: Fri, 19 May 2017 08:57:18 +0800	[thread overview]
Message-ID: <20170519005718.GA7460@b29397-desktop> (raw)
In-Reply-To: <20170518141414.30798-1-michael.thalmeier@hale.at>

On Thu, May 18, 2017 at 04:14:14PM +0200, Michael Thalmeier wrote:
> ci_role BUGs when the role is >= CI_ROLE_END.
> 
> Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
> ---
>  drivers/usb/chipidea/debug.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
> index 6d23eed..1c31e8a 100644
> --- a/drivers/usb/chipidea/debug.c
> +++ b/drivers/usb/chipidea/debug.c
> @@ -294,7 +294,8 @@ static int ci_role_show(struct seq_file *s, void *data)
>  {
>  	struct ci_hdrc *ci = s->private;
>  
> -	seq_printf(s, "%s\n", ci_role(ci)->name);
> +	if (ci->role != CI_ROLE_END)
> +		seq_printf(s, "%s\n", ci_role(ci)->name);
>  
>  	return 0;
>  }

I will queue it, and cc stable

-- 

Best Regards,
Peter Chen

  reply	other threads:[~2017-05-19  0:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-18 14:14 [PATCH] usb: chipidea: debug: check before accessing ci_role Michael Thalmeier
2017-05-19  0:57 ` Peter Chen [this message]
2017-05-19  1:15 ` Peter Chen
2017-05-19  8:14   ` Michael Thalmeier

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