iio: health: max30102: Mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I placed the "fall through"
annotation at the bottom of the case, which is what GCC is expecting
to find.

Addresses-Coverity-ID: 1458342 ("Missing break in switch")
Addresses-Coverity-ID: 1458345 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c
index 15ccadc..3e29562 100644 (file)
--- a/drivers/iio/health/max30102.c
+++ b/drivers/iio/health/max30102.c
@@ -282,9 +282,11 @@ static int max30102_read_measurement(struct max30102_data *data,
        switch (measurements) {
        case 3:
                MAX30102_COPY_DATA(2);
-       case 2: /* fall-through */
+               /* fall through */
+       case 2:
                MAX30102_COPY_DATA(1);
-       case 1: /* fall-through */
+               /* fall through */
+       case 1:
                MAX30102_COPY_DATA(0);
                break;
        default: