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libudev: monitor - improve logging

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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
This commit is contained in:
Tom Gundersen 2015-04-01 13:55:52 +02:00 committed by Anthony G. Basile
parent b97ee4d944
commit c48e712fee
1 changed files with 8 additions and 2 deletions
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10
src/libudev/libudev-monitor.c
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@ -647,6 +647,8 @@ retry:
return NULL;
}
if (buf.nlh.properties_off+32 > (size_t)buflen) {
log_debug("message smaller than expected (%u > %zd)",
buf.nlh.properties_off+32, buflen);
return NULL;
}
@ -670,8 +672,10 @@ retry:
}
udev_device = udev_device_new_from_nulstr(udev_monitor->udev, &buf.raw[bufpos], buflen - bufpos);
if (!udev_device)
if (!udev_device) {
log_debug("could not create device: %m");
return NULL;
}
if (is_initialized)
udev_device_set_is_initialized(udev_device);
@ -716,8 +720,10 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor,
uint64_t tag_bloom_bits;
blen = udev_device_get_properties_monitor_buf(udev_device, &buf);
if (blen < 32)
if (blen < 32) {
log_debug("device buffer is too small to contain a valid device");
return -EINVAL;
}
/* fill in versioned header */
val = udev_device_get_subsystem(udev_device);