修正marsio_buff_clone中复制链式Buffer可能导致死循环的问题。v4.2.33-20171113

- 原实现在迭代复制Buffer时，迭代变量没有切换成next，导致死循环，现修正。

1 files changed, 2 insertions, 2 deletions

diff --git a/app/src/mrb.c b/app/src/mrb.c
index 2adcfb7..e5e8d32 100644
--- a/app/src/mrb.c
+++ b/app/src/mrb.c
@@ -194,7 +194,7 @@ marsio_buff_t * marsio_buff_clone_deep(struct mr_instance * instance,
 		*__prev = __mi;
 		__prev = &__mi->next;
 
-	} while ((md = __md->next) != NULL &&
+	} while ((__md = __md->next) != NULL &&
 		(__mi = __pktmbuf_alloc(instance, socket_id, thread_id)) != NULL);
 
 	*__prev = NULL;
@@ -287,7 +287,7 @@ static marsio_buff_t * __buff_clone_memcpy(struct mr_instance * instance,
 		*__prev = __mi;
 		__prev = &__mi->next;
 
-	} while ((md = __md->next) != NULL &&
+	} while ((__md = __md->next) != NULL &&
 		(__mi = __pktmbuf_alloc(instance, socket_id, thread_id)) != NULL);
 
 	*__prev = NULL;