diff options
| -rw-r--r-- | erts/emulator/beam/erl_bif_ddll.c | 18 | ||||
| -rw-r--r-- | erts/emulator/beam/io.c | 24 |
2 files changed, 7 insertions, 35 deletions
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index b2d5722e9b..37d540b41b 100644 --- a/erts/emulator/beam/erl_bif_ddll.c +++ b/erts/emulator/beam/erl_bif_ddll.c @@ -1580,24 +1580,6 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name) } switch (dp->extended_marker) { - case 0: - /* - * This may be an old driver that has been recompiled. If so, - * at least the fields that existed in extended driver version - * 1.0 should be zero. If not, a it is a bad driver. We cannot - * be completely certain that this is a valid driver but this is - * the best we can do with old drivers... - */ - if (dp->major_version != 0 - || dp->minor_version != 0 - || dp->driver_flags != 0 - || dp->handle2 != NULL - || dp->process_exit != NULL) { - /* Old driver; needs to be recompiled... */ - res = ERL_DE_LOAD_ERROR_INCORRECT_VERSION; - goto error; - } - break; case ERL_DRV_EXTENDED_MARKER: if (ERL_DRV_EXTENDED_MAJOR_VERSION != dp->major_version || ERL_DRV_EXTENDED_MINOR_VERSION < dp->minor_version) { diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 1749cac66c..49cd0e5f53 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4814,16 +4814,11 @@ static int init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle) { drv->name = de->driver_name; - if (de->extended_marker == ERL_DRV_EXTENDED_MARKER) { - drv->version.major = de->major_version; - drv->version.minor = de->minor_version; - drv->flags = de->driver_flags; - } - else { - drv->version.major = 0; - drv->version.minor = 0; - drv->flags = 0; - } + ASSERT(de->extended_marker == ERL_DRV_EXTENDED_MARKER); + ASSERT(de->major_version >= 2); + drv->version.major = de->major_version; + drv->version.minor = de->minor_version; + drv->flags = de->driver_flags; drv->handle = handle; #ifdef ERTS_SMP if (drv->flags & ERL_DRV_FLAG_USE_PORT_LOCKING) @@ -4856,13 +4851,8 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle) drv->ready_output = de->ready_output ? de->ready_output : no_ready_output_callback; drv->timeout = de->timeout ? de->timeout : no_timeout_callback; drv->ready_async = de->ready_async; - if (de->extended_marker == ERL_DRV_EXTENDED_MARKER) - drv->process_exit = de->process_exit; - else - drv->process_exit = NULL; - if ((de->major_version >= 2 - || (de->major_version == 1 && de->minor_version >= 3)/*R13A*/) - && de->stop_select) + drv->process_exit = de->process_exit; + if (de->stop_select) drv->stop_select = de->stop_select; else drv->stop_select = no_stop_select_callback; |