misc: Some cleanup and fixes about signatures.

[apps/agl-service-can-low-level.git] / low-can-binding / utils / socketcan-j1939 / socketcan-j1939.cpp

diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
index 3816325..e8d85b5 100644 (file)
--- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
@@ -168,6 +168,8 @@ namespace utils
        {
 
                socket_ = socketcan_t::open(PF_CAN, SOCK_DGRAM, CAN_J1939);
+               if (socket_ < 0)
+                       return socket_;
 
                define_tx_address(device_name, name, pgn, addr);
 
@@ -209,8 +211,6 @@ namespace utils
                if(nbytes < 0)
                        return nullptr;
 
-               //AFB_DEBUG("Data available: %i bytes read", (int)nbytes);
-
                struct timeval tv;
                ioctl(socket(), SIOCGSTAMP, &tv);
                uint64_t timestamp = 1000000 * tv.tv_sec + tv.tv_usec;