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libudev: monitor - fix error path in send_device

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Return -errno rather than -1 in case sendmsg() fails.
This commit is contained in:
Tom Gundersen 2015-03-11 22:23:38 +01:00
parent 3c0bab4aaf
commit a4445e88ce
1 changed files with 9 additions and 1 deletions
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10
src/libudev/libudev-monitor.c
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@ -745,12 +745,20 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor,
* If we send to a multicast group, we will get
* ECONNREFUSED, which is expected.
*/
if (destination != NULL)
if (destination)
smsg.msg_name = &destination->snl;
else
smsg.msg_name = &udev_monitor->snl_destination;
smsg.msg_namelen = sizeof(struct sockaddr_nl);
count = sendmsg(udev_monitor->sock, &smsg, 0);
if (count < 0) {
if (!destination && errno == ECONNREFUSED) {
log_debug("passed unknown number of bytes to netlink monitor %p", udev_monitor);
return 0;
} else
return -errno;
}
log_debug("passed %zi bytes to netlink monitor %p", count, udev_monitor);
return count;
}