linux-kernel - Re: [PATCH 10/14] staging:iio:resolver:ad2s1210 fix negative IIO_ANGL

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Date:   Sat, 15 Jul 2017 12:42:04 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-kernel@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Tejun Heo <tj@...nel.org>, Guenter Roeck <linux@...ck-us.net>,
        linux-ide@...r.kernel.org, linux-media@...r.kernel.org,
        akpm@...ux-foundation.org, dri-devel@...ts.freedesktop.org,
        stable@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH 10/14] staging:iio:resolver:ad2s1210 fix negative
 IIO_ANGL_VEL read

On Fri, 14 Jul 2017 11:31:03 +0200
Arnd Bergmann <arnd@...db.de> wrote:

> gcc-7 points out an older regression:
> 
> drivers/staging/iio/resolver/ad2s1210.c: In function 'ad2s1210_read_raw':
> drivers/staging/iio/resolver/ad2s1210.c:515:42: error: '<<' in boolean context, did you mean '<' ? [-Werror=int-in-bool-context]
> 
> The original code had 'unsigned short' here, but incorrectly got
> converted to 'bool'. This reverts the regression and uses a normal
> type instead.
> 
> Fixes: 29148543c521 ("staging:iio:resolver:ad2s1210 minimal chan spec conversion.")
> Cc: stable@...r.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Thanks Arnd,

Applied to the fixes-togreg branch of iio.git.

Jonathan
> ---
>  drivers/staging/iio/resolver/ad2s1210.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
> index a6a8393d6664..3e00df74b18c 100644
> --- a/drivers/staging/iio/resolver/ad2s1210.c
> +++ b/drivers/staging/iio/resolver/ad2s1210.c
> @@ -472,7 +472,7 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev,
>  			     long m)
>  {
>  	struct ad2s1210_state *st = iio_priv(indio_dev);
> -	bool negative;
> +	u16 negative;
>  	int ret = 0;
>  	u16 pos;
>  	s16 vel;