diff options
Diffstat (limited to 'udev/lib/libudev-device.c')
-rw-r--r-- | udev/lib/libudev-device.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/udev/lib/libudev-device.c b/udev/lib/libudev-device.c index a512537140..8e4360a7f4 100644 --- a/udev/lib/libudev-device.c +++ b/udev/lib/libudev-device.c @@ -404,6 +404,22 @@ struct udev_device *udev_device_get_parent(struct udev_device *udev_device) return udev_device->parent_device; } +struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem) +{ + struct udev_device *parent; + + parent = udev_device_get_parent(udev_device); + while (parent != NULL) { + const char *parent_subsystem; + + parent_subsystem = udev_device_get_subsystem(parent); + if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0) + break; + parent = udev_device_get_parent(parent); + } + return parent; +} + /** * udev_device_get_udev: * @udev_device: udev device |