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
prev parent 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]
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