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authorTom Gundersen <teg@jklm.no>2015-03-11 15:41:32 +0100
committerAnthony G. Basile <blueness@gentoo.org>2015-03-18 20:43:21 -0400
commit16ded2181496dbacd26229441abd59c224b2ba7a (patch)
tree68553723412891679fbac3aeb8601251917e5632
parentf5d1fa66a17a61fb689a77fc21808bd54e93fd7c (diff)
udevd: improve handling of failed worker
The information in the db is stale, so it does not make sense to expose it any longer. Also, don't drop the kernel event, but simply pass it on to userspace without ammending it. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
-rw-r--r--src/udev/udevd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 238d79b969..10222eb1be 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -87,6 +87,7 @@ struct event {
struct udev_list_node node;
struct udev *udev;
struct udev_device *dev;
+ struct udev_device *dev_kernel;
enum event_state state;
int exitcode;
unsigned long long int delaying_seqnum;
@@ -137,6 +138,7 @@ static inline struct worker *node_to_worker(struct udev_list_node *node) {
static void event_queue_delete(struct event *event) {
udev_list_node_remove(&event->node);
udev_device_unref(event->dev);
+ udev_device_unref(event->dev_kernel);
free(event);
}
@@ -455,6 +457,8 @@ static int event_queue_insert(struct udev_device *dev) {
event->udev = udev_device_get_udev(dev);
event->dev = dev;
+ event->dev_kernel = udev_device_shallow_clone(dev);
+ udev_device_copy_properties(event->dev_kernel, dev);
event->seqnum = udev_device_get_seqnum(dev);
event->devpath = udev_device_get_devpath(dev);
event->devpath_len = strlen(event->devpath);
@@ -882,6 +886,11 @@ static void handle_signal(struct udev *udev, int signo) {
log_error("worker ["PID_FMT"] failed while handling '%s'",
pid, worker->event->devpath);
worker->event->exitcode = -32;
+ /* delete state from disk */
+ udev_device_delete_db(worker->event->dev);
+ udev_device_tag_index(worker->event->dev, NULL, false);
+ /* forward kernel event without ammending it */
+ udev_monitor_send_device(monitor, NULL, worker->event->dev_kernel);
event_queue_delete(worker->event);
/* drop reference taken for state 'running' */