Re: [linux-next:master 2460/4407] drivers/media/i2c/ov8865.c:2852 ov8865_probe() warn: passing zero to 'PTR_ERR'

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Hi,

On Tue 19 Jan 21, 21:57, Dan Carpenter wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   b4bb878f3eb3e604ebfe83bbc17eb7af8d99cbf4
> commit: 11c0d8fdccc56fa15cb15906480b4737c31dd085 [2460/4407] media: i2c: Add support for the OV8865 image sensor
> config: i386-randconfig-m021-20210119 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> smatch warnings:
> drivers/media/i2c/ov8865.c:2852 ov8865_probe() warn: passing zero to 'PTR_ERR'

Thanks, this was already reported and the fix is on its way :)

Cheers,

Paul

> vim +/PTR_ERR +2852 drivers/media/i2c/ov8865.c
> 
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2840  	/* DOVDD: digital I/O */
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2841  	sensor->dovdd = devm_regulator_get(dev, "dovdd");
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2842  	if (IS_ERR(sensor->dvdd)) {
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2843  		dev_err(dev, "cannot get DOVDD (digital I/O) regulator\n");
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2844  		ret = PTR_ERR(sensor->dvdd);
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2845  		goto error_endpoint;
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2846  	}
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2847  
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2848  	/* AVDD: analog */
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2849  	sensor->avdd = devm_regulator_get(dev, "avdd");
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2850  	if (IS_ERR(sensor->avdd)) {
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2851  		dev_err(dev, "cannot get AVDD (analog) regulator\n");
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31 @2852  		ret = PTR_ERR(sensor->dvdd);
> 
> typo.  s/dvdd/avdd/.
> 
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2853  		goto error_endpoint;
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2854  	}
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2855  
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2856  	/* External Clock */
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2857  
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2858  	sensor->extclk = devm_clk_get(dev, NULL);
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2859  	if (IS_ERR(sensor->extclk)) {
> 11c0d8fdccc56fa1 Paul Kocialkowski 2020-12-31  2860  		dev_err(dev, "failed to get external clock\n");
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx



-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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