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authorTom Gundersen <teg@jklm.no>2015-03-11 22:23:38 +0100
committerTom Gundersen <teg@jklm.no>2015-03-12 12:03:50 +0100
commita4445e88cece0444c66d70876b03065158dd4685 (patch)
treec13565dd027703edcb6e88b05838c306399fdeb4
parent3c0bab4aaf70b2383aa4cbabf6059c48744e8960 (diff)
libudev: monitor - fix error path in send_device
Return -errno rather than -1 in case sendmsg() fails.
-rw-r--r--src/libudev/libudev-monitor.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
index eb7b6f87b2..0c554bbac4 100644
--- a/src/libudev/libudev-monitor.c
+++ b/src/libudev/libudev-monitor.c
@@ -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;
}