diff options
Diffstat (limited to 'src/libudev')
| -rw-r--r-- | src/libudev/libudev-device-internal.h | 3 | ||||
| -rw-r--r-- | src/libudev/libudev-device.c | 12 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/libudev/libudev-device-internal.h b/src/libudev/libudev-device-internal.h index 3f93fda545..aa36b8cb12 100644 --- a/src/libudev/libudev-device-internal.h +++ b/src/libudev/libudev-device-internal.h @@ -47,6 +47,9 @@ struct udev_device { uint64_t tags_generation; struct udev_list devlinks; uint64_t devlinks_generation; + bool properties_read:1; + bool tags_read:1; + bool devlinks_read:1; struct udev_list sysattrs; bool sysattrs_read; }; diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c index a55cd258f4..893d72c19f 100644 --- a/src/libudev/libudev-device.c +++ b/src/libudev/libudev-device.c @@ -700,7 +700,8 @@ _public_ struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev { assert_return_errno(udev_device, NULL, EINVAL); - if (device_get_devlinks_generation(udev_device->device) != udev_device->devlinks_generation) { + if (device_get_devlinks_generation(udev_device->device) != udev_device->devlinks_generation || + !udev_device->devlinks_read) { const char *devlink; udev_list_cleanup(&udev_device->devlinks); @@ -708,6 +709,7 @@ _public_ struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev FOREACH_DEVICE_DEVLINK(udev_device->device, devlink) udev_list_entry_add(&udev_device->devlinks, devlink, NULL); + udev_device->devlinks_read = true; udev_device->devlinks_generation = device_get_devlinks_generation(udev_device->device); } @@ -730,7 +732,8 @@ _public_ struct udev_list_entry *udev_device_get_properties_list_entry(struct ud { assert_return_errno(udev_device, NULL, EINVAL); - if (device_get_properties_generation(udev_device->device) != udev_device->properties_generation) { + if (device_get_properties_generation(udev_device->device) != udev_device->properties_generation || + !udev_device->properties_read) { const char *key, *value; udev_list_cleanup(&udev_device->properties); @@ -738,6 +741,7 @@ _public_ struct udev_list_entry *udev_device_get_properties_list_entry(struct ud FOREACH_DEVICE_PROPERTY(udev_device->device, key, value) udev_list_entry_add(&udev_device->properties, key, value); + udev_device->properties_read = true; udev_device->properties_generation = device_get_properties_generation(udev_device->device); } @@ -918,7 +922,8 @@ _public_ struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_dev { assert_return_errno(udev_device, NULL, EINVAL); - if (device_get_tags_generation(udev_device->device) != udev_device->tags_generation) { + if (device_get_tags_generation(udev_device->device) != udev_device->tags_generation || + !udev_device->tags_read) { const char *tag; udev_list_cleanup(&udev_device->tags); @@ -926,6 +931,7 @@ _public_ struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_dev FOREACH_DEVICE_TAG(udev_device->device, tag) udev_list_entry_add(&udev_device->tags, tag, NULL); + udev_device->tags_read = true; udev_device->tags_generation = device_get_tags_generation(udev_device->device); } |