diff options
| -rw-r--r-- | src/udev-mgr.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/src/udev-mgr.c b/src/udev-mgr.c index 5ac286e..e3328ec 100644 --- a/src/udev-mgr.c +++ b/src/udev-mgr.c @@ -151,7 +151,7 @@ udevice_mgr_device_list_iterator (gpointer data, gpointer userdata) GUdevDevice* device = G_UDEV_DEVICE (data); - const gchar* subsystem = NULL; + const gchar* subsystem = NULL; subsystem = g_udev_device_get_subsystem (device); if (g_strcmp0 (subsystem, "usb") == 0){ @@ -421,31 +421,36 @@ UdevMgr* udev_mgr_new (DbusmenuMenuitem* scanner, mgr->webcam_item = webcam; // Check for USB devices - GList* usb_devices_available = g_udev_client_query_by_subsystem (mgr->client, - usb_subsystem); - g_list_foreach (usb_devices_available, - udevice_mgr_device_list_iterator, - mgr); - - g_list_free (usb_devices_available); - + GList* usb_devices_available = NULL; + usb_devices_available = g_udev_client_query_by_subsystem (mgr->client, + usb_subsystem); + if (usb_devices_available != NULL){ + g_list_foreach (usb_devices_available, + udevice_mgr_device_list_iterator, + mgr); + + g_list_free (usb_devices_available); + } // Check for webcams - GList* video_devices_available = g_udev_client_query_by_subsystem (mgr->client, - video4linux_subsystem); - g_list_foreach (video_devices_available, - udevice_mgr_device_list_iterator, - mgr); - - g_list_free (video_devices_available); - + GList* video_devices_available = NULL; + video_devices_available = g_udev_client_query_by_subsystem (mgr->client, + video4linux_subsystem); + if (video_devices_available != NULL){ + g_list_foreach (video_devices_available, + udevice_mgr_device_list_iterator, + mgr); + + g_list_free (video_devices_available); + } // Check for SCSI devices - GList* scsi_devices_available = g_udev_client_query_by_subsystem (mgr->client, - scsi_subsystem); - g_list_foreach (scsi_devices_available, - udevice_mgr_device_list_iterator, - mgr); - - g_list_free (usb_devices_available); - + GList* scsi_devices_available = NULL; + scsi_devices_available = g_udev_client_query_by_subsystem (mgr->client, + scsi_subsystem); + if (scsi_devices_available != NULL){ + g_list_foreach (scsi_devices_available, + udevice_mgr_device_list_iterator, + mgr); + g_list_free (scsi_devices_available); + } return mgr; } |