monitor: add Error * argument to monitor_get_fd

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/monitor.c b/monitor.c
index 67064e2706..c24235e909 100644
--- a/monitor.c
+++ b/monitor.c
@@ -951,7 +951,7 @@ static int add_graphics_client(Monitor *mon, const QDict *qdict, QObject **ret_d
     CharDriverState *s;
 
     if (strcmp(protocol, "spice") == 0) {
-        int fd = monitor_get_fd(mon, fdname);
+        int fd = monitor_get_fd(mon, fdname, NULL);
         int skipauth = qdict_get_try_bool(qdict, "skipauth", 0);
         int tls = qdict_get_try_bool(qdict, "tls", 0);
         if (!using_spice) {
@@ -965,13 +965,13 @@ static int add_graphics_client(Monitor *mon, const QDict *qdict, QObject **ret_d
         return 0;
 #ifdef CONFIG_VNC
     } else if (strcmp(protocol, "vnc") == 0) {
-	int fd = monitor_get_fd(mon, fdname);
+	int fd = monitor_get_fd(mon, fdname, NULL);
         int skipauth = qdict_get_try_bool(qdict, "skipauth", 0);
 	vnc_display_add_client(NULL, fd, skipauth);
 	return 0;
 #endif
     } else if ((s = qemu_chr_find(protocol)) != NULL) {
-	int fd = monitor_get_fd(mon, fdname);
+	int fd = monitor_get_fd(mon, fdname, NULL);
 	if (qemu_chr_add_client(s, fd) < 0) {
 	    qerror_report(QERR_ADD_CLIENT_FAILED);
 	    return -1;
@@ -2118,7 +2118,7 @@ static void do_loadvm(Monitor *mon, const QDict *qdict)
     }
 }
 
-int monitor_get_fd(Monitor *mon, const char *fdname)
+int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
 {
     mon_fd_t *monfd;
 
@@ -2139,6 +2139,7 @@ int monitor_get_fd(Monitor *mon, const char *fdname)
         return fd;
     }
 
+    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
     return -1;
 }
 
@@ -2410,12 +2411,14 @@ int monitor_fdset_dup_fd_remove(int dup_fd)
 int monitor_handle_fd_param(Monitor *mon, const char *fdname)
 {
     int fd;
+    Error *local_err = NULL;
 
     if (!qemu_isdigit(fdname[0]) && mon) {
 
-        fd = monitor_get_fd(mon, fdname);
+        fd = monitor_get_fd(mon, fdname, &local_err);
         if (fd == -1) {
-            error_report("No file descriptor named %s found", fdname);
+            qerror_report_err(local_err);
+            error_free(local_err);
             return -1;
         }
     } else {