linux-kernel - Re: [PATCH 058/190] Revert "media: cx231xx: replace BUG

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Message-ID: <20210429201913.GH31692@amd>
Date:   Thu, 29 Apr 2021 22:19:13 +0200
From:   Pavel Machek <pavel@....cz>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Aditya Pakki <pakki001@....edu>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: Re: [PATCH 058/190] Revert "media: cx231xx: replace BUG_ON with
 recovery code"

Hi!

i2c.c
> index c6659253c6fb..f33b6a077d57 100644
> --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
> +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
> @@ -515,8 +515,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
>  {
>  	struct cx231xx *dev = bus->dev;
>  
> -	if (!dev->cx231xx_send_usb_command)
> -		return -EINVAL;
> +	BUG_ON(!dev->cx231xx_send_usb_command);
>  
>  	bus->i2c_adap = cx231xx_adap_template;
>  	bus->i2c_adap.dev.parent = dev->dev;

No big deal either way, and this will only be hit during
development. Linus does not like BUGs, so I'd keep this.

Best regards,
							Pavel
-- 
http://www.livejournal.com/~pavelmachek

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