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-rw-r--r--src/mm-manager.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mm-manager.c b/src/mm-manager.c
index 0aaac9cf..605ec5a1 100644
--- a/src/mm-manager.c
+++ b/src/mm-manager.c
@@ -733,7 +733,7 @@ device_added (MMManager *manager, GUdevDevice *device)
const char *subsys, *name, *physdev_path, *physdev_subsys;
SupportsInfo *info;
char *key;
- gboolean found;
+ gboolean found, is_candidate;
GUdevDevice *physdev = NULL;
MMPlugin *plugin;
MMModem *existing;
@@ -750,6 +750,17 @@ device_added (MMManager *manager, GUdevDevice *device)
if (strncmp (name, "tty", 3) == 0 && isdigit (name[3]))
return;
+ /* Ignore devices that aren't completely configured by udev yet. If
+ * ModemManager is started in parallel with udev, explicitly requesting
+ * devices may return devices for which not all udev rules have yet been
+ * applied (a bug in udev/gudev). Since we often need those rules to match
+ * the device to a specific ModemManager driver, we need to ensure that all
+ * rules have been processed before handling a device.
+ */
+ is_candidate = g_udev_device_get_property_as_boolean (device, "ID_MM_CANDIDATE");
+ if (!is_candidate)
+ return;
+
if (find_modem_for_port (manager, subsys, name))
return;