don't use READ_DATA_PENDING in previous change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7406 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/io.c b/io.c
index 8bc6d9b74d..649f272906 100644
--- a/io.c
+++ b/io.c
@@ -261,8 +261,7 @@ rb_io_check_writable(fptr)
     if (!(fptr->mode & FMODE_WRITABLE)) {
 	rb_raise(rb_eIOError, "not opened for writing");
     }
-    if ((fptr->mode & FMODE_RBUF) && !feof(fptr->f) && !fptr->f2 &&
-        READ_DATA_PENDING(fptr->f)) {
+    if ((fptr->mode & FMODE_RBUF) && !feof(fptr->f) && !fptr->f2) {
 	io_seek(fptr, 0, SEEK_CUR);
     }
     if (!fptr->f2) {