2 files changed, 6 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 14606f23f4..fe4ee3e501 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 20 11:21:04 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (rb_io_eof): check if closed before clearerr().
+	  fixed: [ruby-dev:25251]
+
 Mon Dec 20 03:30:40 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/cgi/session.rb (CGI::Session#initialize): empty session id was
diff --git a/io.c b/io.c
index ec16438ffd..f6ea3a1154 100644
--- a/io.c
+++ b/io.c
@@ -741,6 +741,7 @@ rb_io_eof(io)
 	ungetc(ch, fptr->f);
 	return Qfalse;
     }
+    rb_io_check_closed(fptr);
     clearerr(fptr->f);
     return Qtrue;
 }