[gupnp-tools] upload: Check for UDN

[Jens Georg <jensgeorg src gnome org>]

commit 4da7a32c052b42785b748624a3002210bd9b19f5
Author: Jens Georg <mail jensge org>
Date:   Sun Jun 7 18:05:18 2020 +0200

    upload: Check for UDN

 src/upload/main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/src/upload/main.c b/src/upload/main.c
index 0b60f5a..a47cb1e 100644
--- a/src/upload/main.c
+++ b/src/upload/main.c
@@ -150,7 +150,7 @@ main (gint   argc,
                 return -1;
         }
 
-        if (argc < 3) {
+        if (argc < 2) {
                 char *help = NULL;
 
                 help = g_option_context_get_help (context, TRUE, NULL);
@@ -160,6 +160,11 @@ main (gint   argc,
                 return -4;
         }
 
+        if (udn == NULL) {
+                g_print ("Error: Please provide UDN for the target server\n");
+                return -4;
+        }
+
         /* Get the list of files to upload */
         for (i = 1; i < argc; i++) {
                 if (!g_file_test (argv[i],