Add detail information when can not connect monitor

If it can't connect monitor, now the error message is just
Error waiting for xxx to be clean. Add detail error message
in connect_monitor.

Suggested-by: Oleg Samarin <osamarin68@gmail.com>
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/msg.c b/msg.c
index 45cd450..c66b0a1 100644
--- a/msg.c
+++ b/msg.c
@@ -171,6 +171,8 @@ int connect_monitor(char *devname)
 	addr.sun_family = PF_LOCAL;
 	strcpy(addr.sun_path, path);
 	if (connect(sfd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+		pr_err("Error connecting monitor with %s: %s\n",
+			addr.sun_path, strerror(errno));
 		close(sfd);
 		return -1;
 	}