|
|
1ff636 |
From dfd0017561730f675d65cc826815ce7c932892aa Mon Sep 17 00:00:00 2001
|
|
|
1ff636 |
From: Tom Gundersen <teg@jklm.no>
|
|
|
1ff636 |
Date: Wed, 11 Mar 2015 22:23:38 +0100
|
|
|
1ff636 |
Subject: [PATCH] libudev: monitor - fix error path in send_device
|
|
|
1ff636 |
|
|
|
1ff636 |
Return -errno rather than -1 in case sendmsg() fails.
|
|
|
1ff636 |
|
|
|
1ff636 |
(cherry picked from commit a4445e88cece0444c66d70876b03065158dd4685)
|
|
|
1ff636 |
---
|
|
|
1ff636 |
src/libudev/libudev-monitor.c | 10 +++++++++-
|
|
|
1ff636 |
1 file changed, 9 insertions(+), 1 deletion(-)
|
|
|
1ff636 |
|
|
|
1ff636 |
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
|
|
|
181b3f |
index 3f1fee7f7..d0486e3d1 100644
|
|
|
1ff636 |
--- a/src/libudev/libudev-monitor.c
|
|
|
1ff636 |
+++ b/src/libudev/libudev-monitor.c
|
|
|
1ff636 |
@@ -749,12 +749,20 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor,
|
|
|
1ff636 |
* If we send to a multicast group, we will get
|
|
|
1ff636 |
* ECONNREFUSED, which is expected.
|
|
|
1ff636 |
*/
|
|
|
1ff636 |
- if (destination != NULL)
|
|
|
1ff636 |
+ if (destination)
|
|
|
1ff636 |
smsg.msg_name = &destination->snl;
|
|
|
1ff636 |
else
|
|
|
1ff636 |
smsg.msg_name = &udev_monitor->snl_destination;
|
|
|
1ff636 |
smsg.msg_namelen = sizeof(struct sockaddr_nl);
|
|
|
1ff636 |
count = sendmsg(udev_monitor->sock, &smsg, 0);
|
|
|
1ff636 |
+ if (count < 0) {
|
|
|
1ff636 |
+ if (!destination && errno == ECONNREFUSED) {
|
|
|
1ff636 |
+ log_debug("passed unknown number of bytes to netlink monitor %p", udev_monitor);
|
|
|
1ff636 |
+ return 0;
|
|
|
1ff636 |
+ } else
|
|
|
1ff636 |
+ return -errno;
|
|
|
1ff636 |
+ }
|
|
|
1ff636 |
+
|
|
|
1ff636 |
log_debug("passed %zi bytes to netlink monitor %p", count, udev_monitor);
|
|
|
1ff636 |
return count;
|
|
|
1ff636 |
}
|