2 files changed, 5 insertions, 4 deletions

diff --git a/arch/um/kernel/tt/gdb.c b/arch/um/kernel/tt/gdb.c
index 786e4edd86c5..8eba8f7dca68 100644
--- a/arch/um/kernel/tt/gdb.c
+++ b/arch/um/kernel/tt/gdb.c
@@ -139,7 +139,7 @@ static void config_gdb_cb(void *arg)
         init_proxy(debugger_pid, 0, 0);
 }
 
-int gdb_config(char *str)
+int gdb_config(char *str, char **error_out)
 {
         struct gdb_data data;
 
@@ -154,7 +154,7 @@ void remove_gdb_cb(void *unused)
         exit_debugger_cb(NULL);
 }
 
-int gdb_remove(int unused)
+int gdb_remove(int unused, char **error_out)
 {
         initial_thread_cb(remove_gdb_cb, NULL);
         return 0;
diff --git a/arch/um/kernel/tt/gdb_kern.c b/arch/um/kernel/tt/gdb_kern.c
index 68e1bf63cd0a..03b06bc00771 100644
--- a/arch/um/kernel/tt/gdb_kern.c
+++ b/arch/um/kernel/tt/gdb_kern.c
@@ -8,10 +8,11 @@
 
 #ifdef CONFIG_MCONSOLE
 
-extern int gdb_config(char *str);
-extern int gdb_remove(int n);
+extern int gdb_config(char *str, char **error_out);
+extern int gdb_remove(int n, char **error_out);
 
 static struct mc_device gdb_mc = {
+        .list           = INIT_LIST_HEAD(gdb_mc.list),
         .name           = "gdb",
         .config         = gdb_config,
         .remove         = gdb_remove,