From 9ee9f12210bde6797c09059aa70f66088e91c344 Mon Sep 17 00:00:00 2001
From: cyh2018git <chenyanhua6@huawei.com>
Date: Sat, 16 Feb 2019 20:09:02 +0800
Subject: [PATCH] fix bug - check recv update msg length

---
 components/ota/sota/sota.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/ota/sota/sota.c b/components/ota/sota/sota.c
index 16306fad0..e03057e8e 100644
--- a/components/ota/sota/sota.c
+++ b/components/ota/sota/sota.c
@@ -469,7 +469,7 @@ int32_t sota_process(void *arg, const int8_t *buf, int32_t buflen)
         }  
         case MSG_GET_BLOCK:
         {
-            if (phead->data_len > BLOCK_HEAD)
+            if (phead->data_len > 0)
             {
                ret = sota_data_block_process(phead, pbuf);
             }