fix implicit-fallthrough error

On gcc 7.0+, we could encounter this error.

Change-Id: I7399197b91ce0c8b3106c08b573469c15c2075b9
Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com>

diff --git a/lib/libtle_dring/tle_dring.h b/lib/libtle_dring/tle_dring.h
index 9d3788a..6aac22a 100644 (file)
--- a/lib/libtle_dring/tle_dring.h
+++ b/lib/libtle_dring/tle_dring.h
@@ -107,8 +107,10 @@ __tle_dring_copy_objs(const void *dst[], const void * const src[], uint32_t num)
        switch (num % 4) {
        case 3:
                dst[i + 2] = src[i + 2];
+               /* fallthrough */
        case 2:
                dst[i + 1] = src[i + 1];
+               /* fallthrough */
        case 1:
                dst[i] = src[i];
        }