From: Tomas Hozza <thozza@redhat.com>
Date: Thu, 27 Jun 2013 11:52:47 +0000 (+0200)
Subject: tools: hv: Improve error logging in VSS daemon.
X-Git-Tag: next-20130731~23^2~8
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5c2892698184bf82e1f7d5c557ad81c9570b569a;p=karo-tx-linux.git

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 fea03a3edaf4..64112e193552 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -156,7 +156,8 @@ int main(void)
 
 	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 @@ int main(void)
 
 	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 @@ int main(void)
 
 	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 @@ int main(void)
 		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);
 		}
 	}