1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/stack.c b/gdb/stack.c
index f257ce1..e7c7de9 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -2518,7 +2518,7 @@ func_command (char *arg, int from_tty)
   struct function_bounds *func_bounds = NULL;
   struct cleanup *cleanups;
 
-  if (arg != NULL)
+  if (arg == NULL)
     return;
 
   frame = parse_frame_specification ("0");