From: Roger Quadros <rogerq@ti.com>
To: Dan Carpenter <dan.carpenter@oracle.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] extcon: signedness bugs break error handling
Date: Tue, 04 Aug 2015 08:40:31 +0000 [thread overview]
Message-ID: <55C07A7F.9070309@ti.com> (raw)
In-Reply-To: <20150804074723.GC10867@mwanda>
On 04/08/15 10:47, Dan Carpenter wrote:
> Unsigned is never less than zero so this error handling won't work.
>
> Fixes: be052cc87745 ('extcon: Fix hang and extcon_get/set_cable_state().')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Thanks Dan.
Reviewed-by: Roger Quadros <rogerq@ti.com>
cheers,
-roger
>
> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
> index 8301a72..da2fb6c 100644
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@ -143,7 +143,7 @@ static int find_cable_id_by_name(struct extcon_dev *edev, const char *name)
>
> static int find_cable_index_by_name(struct extcon_dev *edev, const char *name)
> {
> - unsigned int id;
> + int id;
>
> if (edev->max_supported = 0)
> return -EINVAL;
> @@ -379,7 +379,7 @@ EXPORT_SYMBOL_GPL(extcon_get_cable_state_);
> */
> int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name)
> {
> - unsigned int id;
> + int id;
>
> id = find_cable_id_by_name(edev, cable_name);
> if (id < 0)
> @@ -430,7 +430,7 @@ EXPORT_SYMBOL_GPL(extcon_set_cable_state_);
> int extcon_set_cable_state(struct extcon_dev *edev,
> const char *cable_name, bool cable_state)
> {
> - unsigned int id;
> + int id;
>
> id = find_cable_id_by_name(edev, cable_name);
> if (id < 0)
>
next prev parent reply other threads:[~2015-08-04 8:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-04 7:47 [patch] extcon: signedness bugs break error handling Dan Carpenter
2015-08-04 8:40 ` Roger Quadros [this message]
2015-08-04 10:56 ` Chanwoo Choi
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