Document switch fall-through cases

[fio.git] / lib / lfsr.c

diff --git a/lib/lfsr.c b/lib/lfsr.c
index 49e34a8cfa9e3227d75342438fefbaae8804ae85..32fbec566432d300f65b028e1534cd2a435898c6 100644 (file)
--- a/lib/lfsr.c
+++ b/lib/lfsr.c
@@ -88,21 +88,37 @@ static inline void __lfsr_next(struct fio_lfsr *fl, unsigned int spin)
         */
        switch (spin) {
                case 15: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case 14: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case 13: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case 12: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case 11: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case 10: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  9: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  8: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  7: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  6: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  5: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  4: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  3: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  2: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  1: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                case  0: __LFSR_NEXT(fl, fl->last_val);
+               /* fall through */
                default: break;
        }
 }