Merge master.kernel.org:/home/rmk/linux-2.6-arm

[sfrench/cifs-2.6.git] / lib / rwsem-spinlock.c

diff --git a/lib/rwsem-spinlock.c b/lib/rwsem-spinlock.c
index ccf95bff798439c7afead0834370864ff41a735c..ffc9fc7f3b051a8f2c9efd6099f930043b22396a 100644 (file)
--- a/lib/rwsem-spinlock.c
+++ b/lib/rwsem-spinlock.c
@@ -143,13 +143,14 @@ void __sched __down_read(struct rw_semaphore *sem)
 {
        struct rwsem_waiter waiter;
        struct task_struct *tsk;
+       unsigned long flags;
 
-       spin_lock_irq(&sem->wait_lock);
+       spin_lock_irqsave(&sem->wait_lock, flags);
 
        if (sem->activity >= 0 && list_empty(&sem->wait_list)) {
                /* granted */
                sem->activity++;
-               spin_unlock_irq(&sem->wait_lock);
+               spin_unlock_irqrestore(&sem->wait_lock, flags);
                goto out;
        }
 
@@ -164,7 +165,7 @@ void __sched __down_read(struct rw_semaphore *sem)
        list_add_tail(&waiter.list, &sem->wait_list);
 
        /* we don't need to touch the semaphore struct anymore */
-       spin_unlock_irq(&sem->wait_lock);
+       spin_unlock_irqrestore(&sem->wait_lock, flags);
 
        /* wait to be given the lock */
        for (;;) {
@@ -209,13 +210,14 @@ void __sched __down_write_nested(struct rw_semaphore *sem, int subclass)
 {
        struct rwsem_waiter waiter;
        struct task_struct *tsk;
+       unsigned long flags;
 
-       spin_lock_irq(&sem->wait_lock);
+       spin_lock_irqsave(&sem->wait_lock, flags);
 
        if (sem->activity == 0 && list_empty(&sem->wait_list)) {
                /* granted */
                sem->activity = -1;
-               spin_unlock_irq(&sem->wait_lock);
+               spin_unlock_irqrestore(&sem->wait_lock, flags);
                goto out;
        }
 
@@ -230,7 +232,7 @@ void __sched __down_write_nested(struct rw_semaphore *sem, int subclass)
        list_add_tail(&waiter.list, &sem->wait_list);
 
        /* we don't need to touch the semaphore struct anymore */
-       spin_unlock_irq(&sem->wait_lock);
+       spin_unlock_irqrestore(&sem->wait_lock, flags);
 
        /* wait to be given the lock */
        for (;;) {