diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rwsem.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/rwsem.c b/lib/rwsem.c index 672eb33..4063645 100644 --- a/lib/rwsem.c +++ b/lib/rwsem.c @@ -188,14 +188,12 @@ rwsem_down_failed_common(struct rw_semaphore *sem, struct task_struct *tsk = current; signed long count; - set_task_state(tsk, TASK_UNINTERRUPTIBLE); - /* set up my own style of waitqueue */ - raw_spin_lock_irq(&sem->wait_lock); waiter.task = tsk; waiter.type = type; get_task_struct(tsk); + raw_spin_lock_irq(&sem->wait_lock); if (list_empty(&sem->wait_list)) adjustment += RWSEM_WAITING_BIAS; list_add_tail(&waiter.list, &sem->wait_list); @@ -218,7 +216,8 @@ rwsem_down_failed_common(struct rw_semaphore *sem, raw_spin_unlock_irq(&sem->wait_lock); /* wait to be given the lock */ - for (;;) { + while (true) { + set_task_state(tsk, TASK_UNINTERRUPTIBLE); if (!waiter.task) break; @@ -231,7 +230,6 @@ rwsem_down_failed_common(struct rw_semaphore *sem, } raw_spin_unlock_irq(&sem->wait_lock); schedule(); - set_task_state(tsk, TASK_UNINTERRUPTIBLE); } tsk->state = TASK_RUNNING; |