diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/futex.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 8cc3ee1363a0..e18cfbdc7190 100644 --- a/kernel/futex.c +++ b/kernel/futex.c | |||
@@ -1256,8 +1256,15 @@ retry_private: | |||
1256 | if (!match_futex(&this->key, &key1)) | 1256 | if (!match_futex(&this->key, &key1)) |
1257 | continue; | 1257 | continue; |
1258 | 1258 | ||
1259 | WARN_ON(!requeue_pi && this->rt_waiter); | 1259 | /* |
1260 | WARN_ON(requeue_pi && !this->rt_waiter); | 1260 | * FUTEX_WAIT_REQEUE_PI and FUTEX_CMP_REQUEUE_PI should always |
1261 | * be paired with each other and no other futex ops. | ||
1262 | */ | ||
1263 | if ((requeue_pi && !this->rt_waiter) || | ||
1264 | (!requeue_pi && this->rt_waiter)) { | ||
1265 | ret = -EINVAL; | ||
1266 | break; | ||
1267 | } | ||
1261 | 1268 | ||
1262 | /* | 1269 | /* |
1263 | * Wake nr_wake waiters. For requeue_pi, if we acquired the | 1270 | * Wake nr_wake waiters. For requeue_pi, if we acquired the |