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From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>,
	Linus Walleij <linus.walleij@linaro.org>,
	Khouloud Touil <ktouil@baylibre.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-gpio <linux-gpio@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 1/4] nvmem: fix memory leak in error path
Date: Thu, 20 Feb 2020 13:45:09 +0100	[thread overview]
Message-ID: <CAMpxmJXiK+A1AF35OJoKnyYYkJ4VZUgqhzzYOazt-UWaMbCfww@mail.gmail.com> (raw)
In-Reply-To: <965f715c-a714-00df-b496-a586969dd086@linaro.org>

czw., 20 lut 2020 o 12:30 Srinivas Kandagatla
<srinivas.kandagatla@linaro.org> napisał(a):
>
>
>
> On 20/02/2020 10:01, Bartosz Golaszewski wrote:
> > -     if (IS_ERR(nvmem->wp_gpio))
> > +     if (IS_ERR(nvmem->wp_gpio)) {
> > +             ida_simple_remove(&nvmem_ida, nvmem->id);
> > +             kfree(nvmem);
> >               return ERR_CAST(nvmem->wp_gpio);
> You freed nvmem just before this statement, how can nvmem->wp_gpio be
> still be valid?
>
> Are you able to test this changes at your end?
> Or
> these are just compile tested?
>

Sorry this was rushed, I will have access to the HW for testing tomorrow.

Bartosz

  reply	other threads:[~2020-02-20 12:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-20 10:01 [PATCH v4 0/4] nvmem/gpio: fix resource management Bartosz Golaszewski
2020-02-20 10:01 ` [PATCH v4 1/4] nvmem: fix memory leak in error path Bartosz Golaszewski
2020-02-20 11:30   ` Srinivas Kandagatla
2020-02-20 12:45     ` Bartosz Golaszewski [this message]
2020-02-20 10:01 ` [PATCH v4 2/4] gpiolib: use kref in gpio_desc Bartosz Golaszewski
2020-02-20 12:05   ` Srinivas Kandagatla
2020-02-20 12:51     ` Bartosz Golaszewski
2020-02-20 10:01 ` [PATCH v4 3/4] nvmem: increase the reference count of a gpio passed over config Bartosz Golaszewski
2020-02-22 11:54   ` kbuild test robot
2020-02-22 11:54     ` kbuild test robot
2020-02-23 20:22     ` Bartosz Golaszewski
2020-02-23 20:22       ` Bartosz Golaszewski
2020-02-20 10:01 ` [PATCH v4 4/4] nvmem: release the write-protect pin Bartosz Golaszewski

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