diff options
| -rw-r--r-- | sys/kern/subr_turnstile.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/subr_turnstile.c b/sys/kern/subr_turnstile.c index baf5d8e..54458ef 100644 --- a/sys/kern/subr_turnstile.c +++ b/sys/kern/subr_turnstile.c @@ -561,6 +561,7 @@ turnstile_signal(struct turnstile *ts) MPASS(LIST_EMPTY(&ts->ts_free)); else ts = LIST_FIRST(&ts->ts_free); + MPASS(ts != NULL); LIST_REMOVE(ts, ts_hash); td->td_turnstile = ts; @@ -601,6 +602,7 @@ turnstile_wakeup(struct turnstile *ts) ts1 = ts; } else ts1 = LIST_FIRST(&ts->ts_free); + MPASS(ts1 != NULL); LIST_REMOVE(ts1, ts_hash); td->td_turnstile = ts1; } |
