tools: hv: Improve error logging in VSS daemon.
Use errno and strerror() when logging errors to provide more
information.
Signed-off-by: Tomas Hozza <thozza@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index fea03a3..64112e1 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -156,7 +156,8 @@
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
+ syslog(LOG_ERR, "netlink socket creation failed; error:%d %s",
+ errno, strerror(errno));
exit(EXIT_FAILURE);
}
addr.nl_family = AF_NETLINK;
@@ -167,7 +168,7 @@
error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
if (error < 0) {
- syslog(LOG_ERR, "bind failed; error:%d", error);
+ syslog(LOG_ERR, "bind failed; error:%d %s", errno, strerror(errno));
close(fd);
exit(EXIT_FAILURE);
}
@@ -187,7 +188,7 @@
len = netlink_send(fd, message);
if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error:%d", len);
+ syslog(LOG_ERR, "netlink_send failed; error:%d %s", errno, strerror(errno));
close(fd);
exit(EXIT_FAILURE);
}
@@ -241,7 +242,8 @@
vss_msg->error = error;
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {
- syslog(LOG_ERR, "net_link send failed; error:%d", len);
+ syslog(LOG_ERR, "net_link send failed; error:%d %s",
+ errno, strerror(errno));
exit(EXIT_FAILURE);
}
}