diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 6818911e63c..b68dff6ebd9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+Fri Apr 28 15:31:10 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	From "Serge Nikulin" <nikulin@actsw.amat.com>:
+	* m68k-tdep.c (delta68_in_sigtramp): Return 0 when the function
+ 	name is unknow.
+
 Fri Apr 28 12:21:28 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	From Tim Mooney <mooney@dogbert.cc.ndsu.nodak.edu>:
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index ab3adc583e2..359d61f85aa 100644
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -91,7 +91,10 @@ delta68_in_sigtramp (pc, name)
      CORE_ADDR pc;
      char *name;
 {
-  return strcmp (name, "_sigcode") == 0;
+  if (name != NULL)
+    return strcmp (name, "_sigcode") == 0;
+  else
+    return 0;
 }
 
 CORE_ADDR