"dac_range_table" has 5 elements.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index 3f365ae..83fb6e5 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -472,7 +472,7 @@ static const struct comedi_lrange *dac_range_table[] = {
static const struct comedi_lrange *dac_range_lkup(int opt)
{
- if (opt < 0 || opt > 5)
+ if (opt < 0 || opt >= 5)
return &range_unknown;
return dac_range_table[opt];
}
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