(lll_mutex_cond_lock): Add one to value parameter of __lll_lock_wait to reflect reali...

diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index 877483b..eba0ade 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -118,7 +118,10 @@ extern void __lll_lock_wait (int *futex, int val) attribute_hidden;
     int __val = atomic_exchange_and_add (__futex, 2);                        \
     __asm __volatile (__lll_acq_instr ::: "memory");                         \
     if (__builtin_expect (__val != 0, 0))                                    \
-      __lll_lock_wait (__futex, __val);                                              \
+      /* Note, the val + 1 is kind of ugly here.  __lll_lock_wait will add    \
+        1 again.  But we added 2 to the futex value so this is the right     \
+        value which will be passed to the kernel.  */                        \
+      __lll_lock_wait (__futex, __val + 1);                                  \
   })
 
 extern int __lll_timedlock_wait