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From: Stephen Boyd <swboyd@chromium.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	Timur Tabi <timur@codeaurora.org>,
	Stephen Boyd <sboyd@codeaurora.org>,
	linux-kernel@vger.kernel.org,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Grant Likely <grant.likely@secretlab.ca>,
	linux-gpio@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 3/3] pinctrl: qcom: Don't allow protected pins to be requested
Date: Wed, 21 Mar 2018 13:17:49 -0700	[thread overview]
Message-ID: <152166346979.154352.7302935269984897659@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <20180321165848.89751-4-swboyd@chromium.org>

Quoting Stephen Boyd (2018-03-21 09:58:48)
> +       ret = device_property_read_u16_array(pctrl->dev, "gpios", NULL, 0);
> +       if (ret > 0 && ret < max_gpios) {
> +               u16 *tmp;
> +
> +               len = ret;
> +               tmp = kmalloc_array(len, sizeof(tmp[0]), GFP_KERNEL);
> +               if (!tmp)
> +                       return -ENOMEM;
> +
> +               ret = device_property_read_u16_array(pctrl->dev, "gpios", tmp,
> +                                                    len);
> +               if (ret < 0) {
> +                       dev_err(pctrl->dev, "could not read list of GPIOs\n");
> +                       kfree(tmp);
> +                       return ret;
> +               }
> +
> +               bitmap_zero(chip->valid_mask, max_gpios);
> +               for (i = 0; i < len; i++)
> +                       set_bit(tmp[i], chip->valid_mask);

This leaks tmp too.. I'll fix that in v4 and resend tomorrow if there
aren't more comments.

  parent reply	other threads:[~2018-03-21 20:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-21 16:58 [PATCH v3 0/3] Support qcom pinctrl protected pins Stephen Boyd
2018-03-21 16:58 ` [PATCH v3 1/3] dt-bindings: gpio: Add a gpio-reserved-ranges property Stephen Boyd
2018-03-21 16:58 ` [PATCH v3 2/3] gpiolib: Support 'gpio-reserved-ranges' property Stephen Boyd
2018-03-21 17:59   ` Andy Shevchenko
2018-03-21 18:02     ` Andy Shevchenko
2018-03-21 19:59     ` Stephen Boyd
2018-03-21 20:31       ` Andy Shevchenko
2018-03-27 13:24       ` Linus Walleij
2018-03-21 16:58 ` [PATCH v3 3/3] pinctrl: qcom: Don't allow protected pins to be requested Stephen Boyd
2018-03-21 18:07   ` Andy Shevchenko
2018-03-21 20:04     ` Stephen Boyd
2018-03-21 20:30       ` Andy Shevchenko
2018-03-21 20:17   ` Stephen Boyd [this message]
2018-03-23  0:16   ` Timur Tabi
2018-03-23  0:23     ` Timur Tabi
2018-03-23  0:59       ` Timur Tabi
2018-03-23 11:34         ` Andy Shevchenko
2018-03-23 14:03           ` Timur Tabi
2018-03-23 11:36     ` Andy Shevchenko
2018-03-23 16:21       ` Stephen Boyd
2018-03-23 16:25         ` Timur Tabi
2018-03-23 16:31         ` Andy Shevchenko
2018-03-23 16:32           ` Andy Shevchenko

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