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device: Unwatch names when removing them

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If a device is unplugged/destroyed while a client is using it, then we
would still end up watching the name. The vanish notification will then
access the destroyed FprintDevice object.

Fix this by unwatching the bus name when removing the client entry from
the dictionary.
This commit is contained in:
Benjamin Berg
2020-11-13 14:00:48 +01:00
parent 8ed77829a7
commit 83cd09ba2f
1 changed files with 6 additions and 1 deletions
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7
src/device.c
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@ -305,6 +305,11 @@ static void fprint_device_class_init(FprintDeviceClass *klass)
quark_auth_user = g_quark_from_static_string ("authorized-user"); quark_auth_user = g_quark_from_static_string ("authorized-user");
} }
static void _unwatch_name (gpointer id)
{
g_bus_unwatch_name (GPOINTER_TO_INT (id));
}
static void fprint_device_init(FprintDevice *device) static void fprint_device_init(FprintDevice *device)
{ {
FprintDevicePrivate *priv = fprint_device_get_instance_private(device); FprintDevicePrivate *priv = fprint_device_get_instance_private(device);
@ -315,7 +320,7 @@ static void fprint_device_init(FprintDevice *device)
priv->clients = g_hash_table_new_full (g_str_hash, priv->clients = g_hash_table_new_full (g_str_hash,
g_str_equal, g_str_equal,
g_free, g_free,
NULL); _unwatch_name);
g_signal_connect (device, "g-authorize-method", g_signal_connect (device, "g-authorize-method",
G_CALLBACK (action_authorization_handler), G_CALLBACK (action_authorization_handler),