iio: core: Mark expected switch fall-through

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

Addresses-Coverity-ID: 1397962
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 9c4cfd19b7398677a8b1ac3c0fee5985160880e0..2e8e36f9da611d26efe8b7f609b0931e356befe2 100644 (file)
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -588,6 +588,7 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
                return snprintf(buf, len, "%d", vals[0]);
        case IIO_VAL_INT_PLUS_MICRO_DB:
                scale_db = true;
+               /* fall through */
        case IIO_VAL_INT_PLUS_MICRO:
                if (vals[1] < 0)
                        return snprintf(buf, len, "-%d.%06u%s", abs(vals[0]),