iio: sx9310: Off by one in sx9310_read_thresh()

This > should be >= to prevent reading one element beyond the end of
the sx9310_pthresh_codes[] array.

Fixes: ad2b473e2b ("iio: sx9310: Support setting proximity thresholds")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/X8XqwK0z//8sSWJR@mwanda
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dan Carpenter 2020-12-01 10:03:28 +03:00 committed by Jonathan Cameron
parent 7c53f6b671
commit a06b63a120
1 changed files with 1 additions and 1 deletions

View File

@ -601,7 +601,7 @@ static int sx9310_read_thresh(struct sx9310_data *data,
return ret;
regval = FIELD_GET(SX9310_REG_PROX_CTRL8_9_PTHRESH_MASK, regval);
if (regval > ARRAY_SIZE(sx9310_pthresh_codes))
if (regval >= ARRAY_SIZE(sx9310_pthresh_codes))
return -EINVAL;
*val = sx9310_pthresh_codes[regval];