On Tue, May 18, 2021 at 12:28:46PM +0900, Nobuhiro Iwamatsu wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> commit af0e1871d79cfbb91f732d2c6fa7558e45c31038 upstream.
>
> The lux_val returned from tsl2583_get_lux can potentially be zero,
> so check for this to avoid a division by zero and an overflowed
> gain_trim_val.
>
> Fixes clang scan-build warning:
>
> drivers/iio/light/tsl2583.c:345:40: warning: Either the
> condition 'lux_val<0' is redundant or there is division
> by zero at line 345. [zerodivcond]
>
> Fixes: ac4f6eee8fe8 ("staging: iio: TAOS tsl258x: Device driver")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> Cc: <Stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> [iwamatsu: Change file path.]
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> ---
> drivers/staging/iio/light/tsl2583.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
This only applied to 4.4.y, not 4.9.y, can you provide a new backport
for that tree?
thanks,
greg k-h
