linux-kernel - Re: [PATCH] platform/x86/toshiba-apci.c possible bad if test?

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Date:	Fri, 13 Jun 2014 14:43:03 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Azael Avalos <coproscefalo@...il.com>
cc:	Nick <xerofoify@...il.com>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86/toshiba-apci.c possible bad if test?

On Fri, 13 Jun 2014, Azael Avalos wrote:

> Intel test builder caught some warnings, one at the
> KBD backlight mode store while validating for
> correct parameters, and another one that might lead
> to not creating the sysfs group
> 
> Signed-off-by: Azael Avalos <coproscefalo@...il.com>
> ---
>  drivers/platform/x86/toshiba_acpi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/x86/toshiba_acpi.c
> b/drivers/platform/x86/toshiba_acpi.c
> index fbbe46d..f397594 100644
> --- a/drivers/platform/x86/toshiba_acpi.c
> +++ b/drivers/platform/x86/toshiba_acpi.c
> @@ -1218,7 +1218,7 @@ static ssize_t toshiba_kbd_bl_mode_store(struct
> device *dev,
>         int mode = -1;
>         int time = -1;
> 
> -       if (sscanf(buf, "%i", &mode) != 1 && (mode != 2 || mode != 1))
> +       if (sscanf(buf, "%i", &mode) != 1 || mode > 2 || mode < 1)
>                 return -EINVAL;
> 
>         /* Set the Keyboard Backlight Mode where:
> @@ -1741,7 +1741,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
> 
>         ret = sysfs_create_group(&dev->acpi_dev->dev.kobj,
>                                  &toshiba_attr_group);
> -       if (ret) {
> +       if (ret != 0) {
>                 dev->sysfs_created = 0;
>                 goto error;
>         }

It may not have been picked up because you've combined unrelated (and 
unnecessary) changes such as your change to toshiba_acpi_add().
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