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Commit 5c289269 authored by Tomas Hozza's avatar Tomas Hozza Committed by Greg Kroah-Hartman
Browse files

tools: hv: Improve error logging in VSS daemon. 



Use errno and strerror() when logging errors to provide more
information.

Signed-off-by: default avatarTomas Hozza <thozza@redhat.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 783c2fb1

tools/hv/hv_vss_daemon.c

+6 −4
Original line number Diff line number Diff line
@@ -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);

		}

	}