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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Alex Dewar <alex.dewar90@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Alan Cox <alan@linux.intel.com>,
	linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] staging: media: atomisp: Fix error path in lm3554_probe()
Date: Fri, 4 Sep 2020 09:35:07 +0300	[thread overview]
Message-ID: <20200904063506.GJ8321@kadam> (raw)
In-Reply-To: <20200903182502.709300-1-alex.dewar90@gmail.com>

On Thu, Sep 03, 2020 at 07:24:51PM +0100, Alex Dewar wrote:
> +
> +	ret = atomisp_register_i2c_module(&flash->sd, NULL, LED_FLASH);
> +	if (!ret)
> +		return 0;

Ugh!!!  This is a a special case of the "success handling instead of
failure handling" anti-pattern where the last condition in the function
is different.  I just fixed a bug caused by this on Wed.

https://www.spinics.net/lists/netdev/msg680226.html

But it doesn't cause any problems here so whatever...

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>

regards,
dan carpenter


  reply	other threads:[~2020-09-04  6:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 18:41 [PATCH] staging: media: atomisp: Fix error path in lm3554_probe() Alex Dewar
2020-09-03 12:11 ` Dan Carpenter
2020-09-03 15:48   ` Alex Dewar
2020-09-03 17:38     ` Dan Carpenter
2020-09-03 18:21       ` Alex Dewar
2020-09-03 18:24       ` [PATCH v2] " Alex Dewar
2020-09-04  6:35         ` Dan Carpenter [this message]
2020-09-19 19:50         ` Alex Dewar

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