From: Sean Wang <sean.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
To: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Zhiyong Tao <zhiyong.tao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
Linus Walleij
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Matthias Brugger
<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] pinctrl: mediatek: fix some NULL checks in probe
Date: Thu, 27 Sep 2018 06:25:01 +0800 [thread overview]
Message-ID: <1538000701.30348.16.camel@mtkswgap22> (raw)
In-Reply-To: <20180926104230.GC14535@mwanda>
Hi,
The same patch is already being sent and applied in [1].
Sean
[1]
http://lists.infradead.org/pipermail/linux-mediatek/2018-September/015280.html
http://lists.infradead.org/pipermail/linux-mediatek/2018-September/015283.html
On Wed, 2018-09-26 at 13:42 +0300, Dan Carpenter wrote:
> The devm_kmalloc_array() function returns NULL on error, it doesn't
> return error pointers.
>
> Fixes: 805250982bb5 ("pinctrl: mediatek: add pinctrl-paris that implements the vendor dt-bindings")
> Signed-off-by: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
> index 4cf0fea30b7d..d2179028f134 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-paris.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
> @@ -836,8 +836,8 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev,
>
> hw->base = devm_kmalloc_array(&pdev->dev, hw->soc->nbase_names,
> sizeof(*hw->base), GFP_KERNEL);
> - if (IS_ERR(hw->base))
> - return PTR_ERR(hw->base);
> + if (!hw->base)
> + return -ENOMEM;
>
> for (i = 0; i < hw->soc->nbase_names; i++) {
> res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
> @@ -863,8 +863,8 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev,
> /* Copy from internal struct mtk_pin_desc to register to the core */
> pins = devm_kmalloc_array(&pdev->dev, hw->soc->npins, sizeof(*pins),
> GFP_KERNEL);
> - if (IS_ERR(pins))
> - return PTR_ERR(pins);
> + if (!pins)
> + return -ENOMEM;
>
> for (i = 0; i < hw->soc->npins; i++) {
> pins[i].number = hw->soc->pins[i].number;
> diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c
> index c27597cd3931..3bf5dd552749 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-moore.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-moore.c
> @@ -608,8 +608,8 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
>
> hw->base = devm_kmalloc_array(&pdev->dev, hw->soc->nbase_names,
> sizeof(*hw->base), GFP_KERNEL);
> - if (IS_ERR(hw->base))
> - return PTR_ERR(hw->base);
> + if (!hw->base)
> + return -ENOMEM;
>
> for (i = 0; i < hw->soc->nbase_names; i++) {
> res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
> @@ -629,8 +629,8 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
> /* Copy from internal struct mtk_pin_desc to register to the core */
> pins = devm_kmalloc_array(&pdev->dev, hw->soc->npins, sizeof(*pins),
> GFP_KERNEL);
> - if (IS_ERR(pins))
> - return PTR_ERR(pins);
> + if (!pins)
> + return -ENOMEM;
>
> for (i = 0; i < hw->soc->npins; i++) {
> pins[i].number = hw->soc->pins[i].number;
prev parent reply other threads:[~2018-09-26 22:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 10:42 [PATCH] pinctrl: mediatek: fix some NULL checks in probe Dan Carpenter
2018-09-26 22:25 ` Sean Wang [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=1538000701.30348.16.camel@mtkswgap22 \
--to=sean.wang-nus5lvnupcjwk0htik3j/w@public.gmane.org \
--cc=dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
--cc=kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=zhiyong.tao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org \
/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).