From: Krzysztof Adamski <krzysztof.adamski-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
To: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: regulator: core: Request GPIO before creating sysfs entries
Date: Tue, 23 Feb 2016 14:56:51 +0100 [thread overview]
Message-ID: <20160223135650.GA19954@box2.japko.eu> (raw)
In-Reply-To: <56CC5D1E.6010101-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Tue, Feb 23, 2016 at 01:22:38PM +0000, Jon Hunter wrote:
>Hi Mark, Krzysztof,
>
>It appears that commit daad134d6649 ("regulator: core: Request GPIO
>before creating sysfs entries") breaks boot on tegra124-nyan-big in
>-next today.
>
>Looking at the change, it does not appear that the exit path has been
>updated correctly and so if a regulator is deferred then there is a
>crash in the exit path. I am not sure that there is a simple way to
>workaround this because of fix from commit 53032dafc6b9 ("regulator
>core: fix double-free in regulator_register() error path") unless we
>move regulator_ena_gpio_free() into regulator_dev_release().
Hi Jon,
You are totally right about the problem but I can't see why changing
"goto wash" to "goto clean" in error path of regulator_ena_gpio_request
is not enough. What am I missing?
Best regards,
Krzysztof Adamski
next prev parent reply other threads:[~2016-02-23 13:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1456129440-28143-1-git-send-email-krzysztof.adamski@tieto.com>
[not found] ` <1456129440-28143-1-git-send-email-krzysztof.adamski-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2016-02-23 13:22 ` regulator: core: Request GPIO before creating sysfs entries Jon Hunter
[not found] ` <56CC5D1E.6010101-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-02-23 13:56 ` Krzysztof Adamski [this message]
2016-02-23 14:15 ` Jon Hunter
2016-02-23 14:34 ` Krzysztof Adamski
2016-02-23 14:47 ` [PATCH] regulator: core: fix error path of regulator_ena_gpio_free Krzysztof Adamski
2016-02-23 15:18 ` Jon Hunter
[not found] ` <56CC7863.4080202-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-02-24 8:26 ` Krzysztof Adamski
2016-02-24 9:03 ` Jon Hunter
2016-02-24 8:27 ` Krzysztof Adamski
2016-02-24 9:18 ` Jon Hunter
2016-02-24 10:52 ` [PATCH v3] regulator: core: fix crash in error path of regulator_register Krzysztof Adamski
[not found] ` <1456302479-14045-1-git-send-email-krzysztof.adamski-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2016-02-24 9:20 ` [PATCH] regulator: core: fix error path of regulator_ena_gpio_free Jon Hunter
2016-02-25 1:46 ` Mark Brown
2016-02-24 3:48 ` regulator: core: Request GPIO before creating sysfs entries Mark Brown
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