Handle NULL return from SDL_DBus_GetContext()

This commit is contained in:
Sam Lantinga 2018-04-23 19:20:12 -07:00
parent 432312561f
commit b5d231eede

View File

@ -200,7 +200,7 @@ rtkit_initialize()
SDL_DBusContext *dbus = SDL_DBus_GetContext();
/* Try getting minimum nice level: this is often greater than PRIO_MIN (-20). */
if (!SDL_DBus_QueryPropertyOnConnection(dbus->system_conn, RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MinNiceLevel",
if (!dbus || !SDL_DBus_QueryPropertyOnConnection(dbus->system_conn, RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MinNiceLevel",
DBUS_TYPE_INT32, &rtkit_min_nice_level)) {
rtkit_min_nice_level = -20;
}
@ -218,13 +218,12 @@ rtkit_setpriority(pid_t thread, int nice_level)
if (si32 < rtkit_min_nice_level)
si32 = rtkit_min_nice_level;
if (!SDL_DBus_CallMethodOnConnection(dbus->system_conn,
if (!dbus || !SDL_DBus_CallMethodOnConnection(dbus->system_conn,
RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MakeThreadHighPriority",
DBUS_TYPE_UINT64, &ui64, DBUS_TYPE_INT32, &si32, DBUS_TYPE_INVALID,
DBUS_TYPE_INVALID)) {
return SDL_FALSE;
}
return SDL_TRUE;
}