diff options
| -rw-r--r-- | src/device.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/device.c b/src/device.c index 5c18d996ea..b5763645e8 100644 --- a/src/device.c +++ b/src/device.c @@ -468,6 +468,9 @@ static int device_enumerate(Manager *m) { goto fail; } + if (udev_monitor_set_receive_buffer_size(m->udev_monitor, 128*1024*1024) < 0) + log_error("Failed to set udev event buffer size."); + if (udev_monitor_filter_add_match_tag(m->udev_monitor, "systemd") < 0) { r = -ENOMEM; goto fail; @@ -524,10 +527,20 @@ void device_fd_event(Manager *m, int events) { const char *action; assert(m); - assert(events == EPOLLIN); + + if (events != EPOLLIN) { + static RATELIMIT_DEFINE(limit, 10*USEC_PER_SEC, 5); + + if (!ratelimit_test(&limit)) + log_error("Failed to get udev event: %m"); + return; + } if (!(dev = udev_monitor_receive_device(m->udev_monitor))) { - log_error("Failed to receive device."); + /* + * libudev might filter-out devices which pass the bloom filter, + * so getting NULL here is not neccessarily an error + */ return; } |