From: "Ivan T. Ivanov" <ivan.ivanov-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Cc: cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v2 1/2] extcon: fix hang and extcon_get/set_cable_state().
Date: Tue, 07 Jul 2015 17:04:24 +0300 [thread overview]
Message-ID: <1436277864.2190.5.camel@linaro.org> (raw)
In-Reply-To: <1436274375-10308-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
On Tue, 2015-07-07 at 16:06 +0300, Roger Quadros wrote:
> Users of find_cable_index_by_name() will cause a kernel hang
> as the while loop counter is never incremented and end condition
> is never reached.
>
> extcon_get_cable_state() and extcon_set_cable_state() are broken
> because they use cable index instead of cable id. This causes
> the first cable state (cable.0) to be always invalid in sysfs
> or extcon_get_cable_state() users.
>
> Introduce a new function find_cable_id_by_name() that fixes
> both of the above issues.
>
> Fixes: commit 73b6ecdb93e8 ("extcon: Redefine the unique id of supported external connectors without 'enum extcon' type")
> Cc: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
> Signed-off-by: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
> ---
Thank you. It is fine now. For both patches.
Tested-by: Ivan T. Ivanov <ivan.ivanov-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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next prev parent reply other threads:[~2015-07-07 14:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 14:46 [PATCH 0/2] extcon: fixes for v4.2-rc1 Roger Quadros
2015-07-06 14:46 ` [PATCH 1/2] extcon: fix hang and extcon_get/set_cable_state() Roger Quadros
[not found] ` <1436194018-18696-2-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2015-07-07 12:40 ` Ivan T. Ivanov
2015-07-07 12:58 ` Roger Quadros
2015-07-07 13:06 ` [PATCH v2 " Roger Quadros
[not found] ` <1436274375-10308-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2015-07-07 14:04 ` Ivan T. Ivanov [this message]
2015-07-31 3:43 ` Chanwoo Choi
2015-07-10 15:54 ` Chanwoo Choi
[not found] ` <CAGTfZH3qM6_R8F8bE7oEUYhS0hW0hv7fKzYJ6K6z+dZmExCExA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-27 10:39 ` Roger Quadros
2015-07-27 23:26 ` Chanwoo Choi
2015-07-06 14:46 ` [PATCH 2/2] extcon: Fix extcon_cable_get_state() from getting old state after notification Roger Quadros
2015-07-31 6:38 ` Chanwoo Choi
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