diff options
Diffstat (limited to 'udev/udevadm-info.c')
| -rw-r--r-- | udev/udevadm-info.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/udev/udevadm-info.c b/udev/udevadm-info.c index 3be5f3154b..6f0678e932 100644 --- a/udev/udevadm-info.c +++ b/udev/udevadm-info.c @@ -92,6 +92,7 @@ static void print_all_attributes(struct udev *udev, const char *devpath, const c static int print_device_chain(struct udev *udev, const char *devpath) { struct udev_device *device; + struct udev_device *device_parent; const char *str; device = udev_device_new_from_devpath(udev, devpath); @@ -118,27 +119,25 @@ static int print_device_chain(struct udev *udev, const char *devpath) printf(" DRIVER==\"%s\"\n", str); print_all_attributes(udev, udev_device_get_devpath(device), "ATTR"); - while (device != NULL) { - struct udev_device *device_parent; - - device_parent = udev_device_new_from_parent(device); - udev_device_unref(device); + device_parent = device; + do { + device_parent = udev_device_get_parent(device_parent); if (device_parent == NULL) break; - device = device_parent; - printf(" looking at parent device '%s':\n", udev_device_get_devpath(device)); - printf(" KERNELS==\"%s\"\n", udev_device_get_sysname(device)); - str = udev_device_get_subsystem(device); + printf(" looking at parent device '%s':\n", udev_device_get_devpath(device_parent)); + printf(" KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent)); + str = udev_device_get_subsystem(device_parent); if (str == NULL) str = ""; printf(" SUBSYSTEMS==\"%s\"\n", str); - str = udev_device_get_driver(device); + str = udev_device_get_driver(device_parent); if (str == NULL) str = ""; printf(" DRIVERS==\"%s\"\n", str); - print_all_attributes(udev, udev_device_get_devpath(device), "ATTRS"); - } + print_all_attributes(udev, udev_device_get_devpath(device_parent), "ATTRS"); + } while (device_parent != NULL); + udev_device_unref(device); return 0; } |