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-rw-r--r--low-can-binding/binding/low-can-cb.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp
index 3897f8b4..d994dd24 100644
--- a/low-can-binding/binding/low-can-cb.cpp
+++ b/low-can-binding/binding/low-can-cb.cpp
@@ -558,7 +558,9 @@ static void write_raw_frame(afb_req_t request, const std::string& bus_name, mess
message->set_maxdlen(J1939_MAX_DLEN);
#endif
- if(message->get_length() > 0 && message->get_length() <= message->get_maxdlen())
+ if(message->get_length() > 0 &&
+ message->get_length() <= message->get_maxdlen() &&
+ json_object_get_type(can_data) == json_type_array)
{
std::vector<uint8_t> data;
for (int i = 0 ; i < message->get_length() ; i++)