diff options
| author |   Christopher Peplin <chris.peplin@rhubarbtech.com> | 2014-01-02 12:10:14 -0500 |
|---|---|---|
| committer | Christopher Peplin <chris.peplin@rhubarbtech.com> | 2014-01-02 12:10:14 -0500 |
| commit | fe20a273bb3979d9e806d828486633249d073ede (patch) | |
| tree | 8927587678803ad8628087e4c52f6dd30927a5d1 | |
| parent | 482c7eafcb35a4031ab6f2241b14ac495735b7cd (diff) | |
Avoid hitting a NULL pointer when using callbacks.
| -rw-r--r-- | src/isotp/receive.c | 4 | ||||
| -rw-r--r-- | src/isotp/send.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/isotp/receive.c b/src/isotp/receive.c index fa96156d..1692f8d3 100644 --- a/src/isotp/receive.c +++ b/src/isotp/receive.c @@ -6,7 +6,9 @@ bool isotp_handle_single_frame(IsoTpHandle* handle, IsoTpMessage* message) { } void isotp_complete_receive(IsoTpHandle* handle, IsoTpMessage* message) { - handle->receive_handle.message_received_callback(message); + if(handle->receive_handle.message_received_callback != NULL) { + handle->receive_handle.message_received_callback(message); + } } IsoTpHandle isotp_receive(IsoTpShims* shims, diff --git a/src/isotp/send.c b/src/isotp/send.c index 6cce5c92..85e35744 100644 --- a/src/isotp/send.c +++ b/src/isotp/send.c @@ -6,7 +6,9 @@ void isotp_complete_send(IsoTpShims* shims, IsoTpMessage* message, bool status, IsoTpMessageSentHandler callback) { - callback(message, status); + if(callback != NULL) { + callback(message, status); + } } IsoTpHandle isotp_send_single_frame(IsoTpShims* shims, IsoTpMessage* message, |