Fix: lfstack reversed empty/non-empty return value

The return value of lfstack push operation is logically reversed
compared to the documentation, and compared to wfstack and wfcqueue.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/urcu/static/lfstack.h b/urcu/static/lfstack.h
index 9531de5bb951f31c47bfc51ef2f8ff9a343cc0fc..4799bc4dc0f05e33a0a343cb53e9e8c9efee1836 100644 (file)
--- a/urcu/static/lfstack.h
+++ b/urcu/static/lfstack.h
@@ -160,7 +160,7 @@ bool _cds_lfs_push(cds_lfs_stack_ptr_t u_s,
                if (old_head == head)
                        break;
        }
-       return ___cds_lfs_empty_head(head);
+       return !___cds_lfs_empty_head(head);
 }
 
 /*