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>

diff --git a/msg.c b/msg.c
index 45cd45040a6126c22eb2bb2bfdf193cc7357790d..c66b0a130e3fb7c719913b8121b476ea0a96dd02 100644 (file)
--- 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;
        }