(pthread_rwlock_timedwrlock): Fix clobber of result variable by lll_futex_timed_wait...

diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
index 0715f83..e4d08ea 100644 (file)
--- a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
+++ b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c
@@ -37,6 +37,8 @@ pthread_rwlock_timedwrlock (rwlock, abstime)
 
   while (1)
     {
+      int err;
+
       /* Get the rwlock if there is no writer and no reader.  */
       if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
        {
@@ -101,8 +103,8 @@ pthread_rwlock_timedwrlock (rwlock, abstime)
       lll_mutex_unlock (rwlock->__data.__lock);
 
       /* Wait for the writer or reader(s) to finish.  */
-      result = lll_futex_timed_wait (&rwlock->__data.__writer_wakeup,
-                                    waitval, &rt);
+      err = lll_futex_timed_wait (&rwlock->__data.__writer_wakeup,
+                                 waitval, &rt);
 
       /* Get the lock.  */
       lll_mutex_lock (rwlock->__data.__lock);
@@ -111,7 +113,7 @@ pthread_rwlock_timedwrlock (rwlock, abstime)
       --rwlock->__data.__nr_writers_queued;
 
       /* Did the futex call time out?  */
-      if (result == -ETIMEDOUT)
+      if (err == -ETIMEDOUT)
        {
          result = ETIMEDOUT;
          break;