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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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hwsim: DBus methods for creating and destroying radios
This commit is contained in:
Andrew Zaborowski
Denis Kenzior
parent
97257c3891
commit
257aa441a1
186
tools/hwsim.c
186
tools/hwsim.c
@ -35,11 +35,12 @@
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#include "src/util.h"
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#include "src/storage.h"
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#include "src/dbus.h"
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#define HWSIM_RADIO_MANAGER_INTERFACE "net.connman.iwd.hwsim.RadioManager"
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#define HWSIM_RADIO_INTERFACE "net.connman.iwd.hwsim.Radio"
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#define HWSIM_INTERFACE_INTERFACE "net.connman.iwd.hwsim.Interface"
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#define HWSIM_SERVICE "net.connman.iwd.hwsim"
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#define HWSIM_RADIO_MANAGER_INTERFACE HWSIM_SERVICE ".RadioManager"
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#define HWSIM_RADIO_INTERFACE HWSIM_SERVICE ".Radio"
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#define HWSIM_INTERFACE_INTERFACE HWSIM_SERVICE ".Interface"
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enum {
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HWSIM_CMD_UNSPEC,
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@ -268,6 +269,9 @@ struct interface_info_rec {
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static struct l_queue *radio_info;
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static struct l_queue *interface_info;
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static struct l_dbus_message *pending_create_msg;
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static uint32_t pending_create_radio_id;
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static void radio_free(void *user_data)
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{
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struct radio_info_rec *rec = user_data;
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@ -333,6 +337,33 @@ static const char *interface_get_path(const struct interface_info_rec *rec)
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return path;
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}
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static struct l_dbus_message *dbus_error_busy(struct l_dbus_message *msg)
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{
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return l_dbus_message_new_error(msg, HWSIM_SERVICE ".InProgress",
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"Operation already in progress");
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}
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static struct l_dbus_message *dbus_error_failed(struct l_dbus_message *msg)
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{
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return l_dbus_message_new_error(msg, HWSIM_SERVICE ".Failed",
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"Operation failed");
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}
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static struct l_dbus_message *dbus_error_invalid_args(
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struct l_dbus_message *msg)
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{
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return l_dbus_message_new_error(msg, HWSIM_SERVICE ".InvalidArgs",
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"Argument type is wrong");
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}
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static void dbus_pending_reply(struct l_dbus_message **msg,
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struct l_dbus_message *reply)
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{
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l_dbus_send(dbus, reply);
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l_dbus_message_unref(*msg);
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*msg = NULL;
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}
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static bool parse_addresses(const uint8_t *buf, size_t len,
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struct radio_info_rec *rec)
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{
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@ -546,11 +577,25 @@ static void get_radio_callback(struct l_genl_msg *msg, void *user_data)
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HWSIM_RADIO_INTERFACE, "Name");
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}
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/* Send pending CreateRadio reply */
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if (pending_create_msg && pending_create_radio_id == rec->id) {
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struct l_dbus_message *reply =
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l_dbus_message_new_method_return(pending_create_msg);
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l_dbus_message_set_arguments(reply, "o", path);
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dbus_pending_reply(&pending_create_msg, reply);
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}
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return;
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err_free_radio:
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if (!old)
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radio_free(rec);
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if (pending_create_msg && pending_create_radio_id == *id)
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dbus_pending_reply(&pending_create_msg,
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dbus_error_failed(pending_create_msg));
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}
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static void get_wiphy_callback(struct l_genl_msg *msg, void *user_data)
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@ -855,8 +900,137 @@ static void nl80211_config_notify(struct l_genl_msg *msg, void *user_data)
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}
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}
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static void radio_manager_create_callback(struct l_genl_msg *msg,
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void *user_data)
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{
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struct l_dbus_message *reply;
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struct l_genl_attr attr;
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struct radio_info_rec *radio;
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int err;
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/*
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* Note that the radio id is returned in the error field of
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* the returned message.
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*/
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if (l_genl_attr_init(&attr, msg))
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goto error;
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err = l_genl_msg_get_error(msg);
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if (err < 0)
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goto error;
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pending_create_radio_id = err;
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/*
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* If the NEW_RADIO event has been received we'll have added the
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* radio to radio_info already but we can send the method return
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* only now that we know the ID returned by our command.
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*/
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radio = l_queue_find(radio_info, radio_info_match_id,
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L_UINT_TO_PTR(pending_create_radio_id));
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if (radio) {
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const char *path = radio_get_path(radio);
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reply = l_dbus_message_new_method_return(pending_create_msg);
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l_dbus_message_set_arguments(reply, "o", path);
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dbus_pending_reply(&pending_create_msg, reply);
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}
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return;
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error:
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reply = dbus_error_failed(pending_create_msg);
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dbus_pending_reply(&pending_create_msg, reply);
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}
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static struct l_dbus_message *radio_manager_create(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct l_genl_msg *new_msg;
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const char *name;
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bool p2p;
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if (pending_create_msg)
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return dbus_error_busy(message);
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if (!l_dbus_message_get_arguments(message, "sb", &name, &p2p))
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return dbus_error_invalid_args(message);
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new_msg = l_genl_msg_new_sized(HWSIM_CMD_NEW_RADIO, 16 + strlen(name));
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l_genl_msg_append_attr(new_msg, HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE,
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0, NULL);
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if (name[0])
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l_genl_msg_append_attr(new_msg, HWSIM_ATTR_RADIO_NAME,
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strlen(name), name);
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if (p2p)
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l_genl_msg_append_attr(new_msg, HWSIM_ATTR_SUPPORT_P2P_DEVICE,
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0, NULL);
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l_genl_family_send(hwsim, new_msg, radio_manager_create_callback,
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pending_create_msg, NULL);
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pending_create_msg = l_dbus_message_ref(message);
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pending_create_radio_id = 0;
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return NULL;
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}
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static void setup_radio_manager_interface(struct l_dbus_interface *interface)
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{
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l_dbus_interface_method(interface, "CreateRadio", 0,
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radio_manager_create, "o", "sb",
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"path", "name", "p2p_device");
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}
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static void radio_destroy_callback(struct l_genl_msg *msg, void *user_data)
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{
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struct l_dbus_message *message = user_data;
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struct l_dbus_message *reply;
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struct l_genl_attr attr;
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int err;
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if (l_genl_attr_init(&attr, msg))
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goto error;
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err = l_genl_msg_get_error(msg);
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if (err < 0)
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goto error;
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reply = l_dbus_message_new_method_return(message);
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l_dbus_message_set_arguments(reply, "");
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dbus_pending_reply(&message, reply);
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return;
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error:
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reply = dbus_error_failed(message);
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dbus_pending_reply(&message, reply);
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}
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static struct l_dbus_message *radio_destroy(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct l_genl_msg *del_msg;
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struct radio_info_rec *radio = user_data;
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del_msg = l_genl_msg_new_sized(HWSIM_CMD_DEL_RADIO, 8);
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l_genl_msg_append_attr(del_msg, HWSIM_ATTR_RADIO_ID, 4, &radio->id);
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l_genl_family_send(hwsim, del_msg, radio_destroy_callback,
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l_dbus_message_ref(message), NULL);
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return NULL;
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}
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static bool radio_property_get_name(struct l_dbus *dbus,
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@ -953,6 +1127,8 @@ static bool radio_property_get_regdom(struct l_dbus *dbus,
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static void setup_radio_interface(struct l_dbus_interface *interface)
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{
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l_dbus_interface_method(interface, "Destroy", 0, radio_destroy, "", "");
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l_dbus_interface_property(interface, "Name", 0, "s",
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radio_property_get_name, NULL);
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l_dbus_interface_property(interface, "Addresses", 0, "s",
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@ -1386,6 +1562,8 @@ int main(int argc, char *argv[])
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l_genl_family_unref(nl80211);
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l_genl_unref(genl);
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if (pending_create_msg)
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l_dbus_message_unref(pending_create_msg);
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l_dbus_destroy(dbus);
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hwsim_radio_cache_cleanup();
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