As we access i-1 we must not start with i=0.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
drivers/iio/humidity/dht11.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c
index fbcd7cb..5dfe71b 100644
--- a/drivers/iio/humidity/dht11.c
+++ b/drivers/iio/humidity/dht11.c
@@ -90,7 +90,7 @@ static int dht11_decode(struct dht11 *dht11, int offset)
unsigned char temp_int, temp_dec, hum_int, hum_dec, checksum;
/* Calculate timestamp resolution */
- for (i = 0; i < dht11->num_edges; ++i) {
+ for (i = 1; i < dht11->num_edges; ++i) {
t = dht11->edges[i].ts - dht11->edges[i-1].ts;
if (t > 0 && t < timeres)
timeres = t;
--
1.8.4.5
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