rtmutex: Fix comment about why new_owner can be NULL in wake_futex_pi()

[mv-sheeva.git] / kernel / futex.c

diff --git a/kernel/futex.c b/kernel/futex.c
index 3019b92e691744169b3ac50bb3836afae5ab1085..5696d38cc71d137b9250bc755486337edbc6c43f 100644 (file)
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -791,10 +791,9 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
        new_owner = rt_mutex_next_owner(&pi_state->pi_mutex);
 
        /*
-        * This happens when we have stolen the lock and the original
-        * pending owner did not enqueue itself back on the rt_mutex.
-        * Thats not a tragedy. We know that way, that a lock waiter
-        * is on the fly. We make the futex_q waiter the pending owner.
+        * It is possible that the next waiter (the one that brought
+        * this owner to the kernel) timed out and is no longer
+        * waiting on the lock.
         */
        if (!new_owner)
                new_owner = this->task;