From d99b87ba4332fd0c1e51d2708e46c52bad713558 Mon Sep 17 00:00:00 2001 From: Romain Forlot Date: Sun, 19 Mar 2017 02:47:26 +0100 Subject: Fix bad handling unsupported OBD2 messages subscription. Testing supported boolean wrong and gave a null pointer to a function that doesn't check the pointer validity. Change-Id: I49e88a68f266546dbd257b0fdade860cead1322d Signed-off-by: Romain Forlot --- src/diagnostic/diagnostic-manager.cpp | 2 +- src/low-can-binding.cpp | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 2d4669e..69e2a7c 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -161,7 +161,7 @@ void diagnostic_manager_t::cancel_request(active_diagnostic_request_t* entry) /// @param[in] force - Force the cleaning or not ? void diagnostic_manager_t::cleanup_request(active_diagnostic_request_t* entry, bool force) { - if(force || (entry->get_in_flight() && entry->request_completed())) + if((force || (entry->get_in_flight() && entry->request_completed())) && entry != nullptr) { entry->set_in_flight(false); diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp index d88ac99..3e87072 100644 --- a/src/low-can-binding.cpp +++ b/src/low-can-binding.cpp @@ -139,8 +139,6 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, // no matter what we want, worse case will be a fail unsubscription but at least we don't // poll a PID for nothing. if(found.front()->get_supported()) - subscribe = false; - if(subscribe) { float frequency = found.front()->get_frequency(); configuration_t::instance().get_diagnostic_manager().add_recurring_request( @@ -149,8 +147,11 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, } else { + found.front()->set_supported(false); configuration_t::instance().get_diagnostic_manager().cleanup_request( configuration_t::instance().get_diagnostic_manager().find_recurring_request(diag_req), true); + DEBUG(binder_interface, "Signal: %s isn't supported. Canceling operation.", sig.c_str()); + return -1; } } -- cgit 1.2.3-korg