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authorIngo Molnar <mingo@kernel.org>2018-07-25 11:47:02 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-25 11:47:02 +0200
commit93081caaaed6a40a4f6d9b7ba3f581a4bb1d4404 (patch)
treef574201ba58ddf9e6264f463e613066cfc8532ba /drivers/iio/light/tsl2772.c
parentperf, tools: Use correct articles in comments (diff)
parentperf/core: Fix crash when using HW tracing kernel filters (diff)
downloadlinux-93081caaaed6a40a4f6d9b7ba3f581a4bb1d4404.tar.xz
linux-93081caaaed6a40a4f6d9b7ba3f581a4bb1d4404.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iio/light/tsl2772.c')
-rw-r--r--drivers/iio/light/tsl2772.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
index 34d42a2504c9..df5b2a0da96c 100644
--- a/drivers/iio/light/tsl2772.c
+++ b/drivers/iio/light/tsl2772.c
@@ -582,6 +582,8 @@ static int tsl2772_als_calibrate(struct iio_dev *indio_dev)
"%s: failed to get lux\n", __func__);
return lux_val;
}
+ if (lux_val == 0)
+ return -ERANGE;
ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) /
lux_val;