linux-fbdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Thomas Zimmermann <tzimmermann@suse.de>
To: Yang Yingliang <yangyingliang@huawei.com>,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: b.zolnierkie@samsung.com
Subject: Re: [PATCH] video: fbdev: atmel_lcdfb: fixe return error code in atmel_lcdfb_of_init()
Date: Tue, 17 Nov 2020 08:41:25 +0100	[thread overview]
Message-ID: <314d2531-5d9c-fa9d-82cd-cf0a35488a38@suse.de> (raw)
In-Reply-To: <20201117061350.3453742-1-yangyingliang@huawei.com>

Hi

Am 17.11.20 um 07:13 schrieb Yang Yingliang:
> If devm_kzalloc() failed after first time, atmel_lcdfb_of_init()
> cann't return -ENOMEM, fix this by putting the error code in loop.
> 
> Fixes: b985172b328a ("video: atmel_lcdfb: add device tree suport")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>  drivers/video/fbdev/atmel_lcdfb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
> index 8c1d47e52b1a..355b6120dc4f 100644
> --- a/drivers/video/fbdev/atmel_lcdfb.c
> +++ b/drivers/video/fbdev/atmel_lcdfb.c
> @@ -987,8 +987,8 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
>  	}
>  
>  	INIT_LIST_HEAD(&pdata->pwr_gpios);
> -	ret = -ENOMEM;
>  	for (i = 0; i < gpiod_count(dev, "atmel,power-control"); i++) {
> +		ret = -ENOMEM;

I think that a better fix would have been to put it into the alloc's
error branch. But anyway

  Reviewed-by: Thomas Zimmermann <tzimmremann@suse.de>

Thanks for your patch. I'll add it to drm-misc-next.

Best regards
Thomas

>  		gpiod = devm_gpiod_get_index(dev, "atmel,power-control",
>  					     i, GPIOD_ASIS);
>  		if (IS_ERR(gpiod))
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

      reply	other threads:[~2020-11-17  7:41 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-17  6:13 [PATCH] video: fbdev: atmel_lcdfb: fixe return error code in atmel_lcdfb_of_init() Yang Yingliang
2020-11-17  7:41 ` Thomas Zimmermann [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=314d2531-5d9c-fa9d-82cd-cf0a35488a38@suse.de \
    --to=tzimmermann@suse.de \
    --cc=b.zolnierkie@samsung.com \
    --cc=linux-fbdev@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=yangyingliang@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).