--- /opt/kernel/linux-2.4.4-pre3/drivers/md/lvm.c	Sun Apr 15 16:24:13 2001
+++ drivers/md/lvm.c	Mon Apr 16 22:40:28 2001
@@ -1476,7 +1476,7 @@
  */
 static int lvm_map(struct buffer_head *bh, int rw)
 {
-	int minor = MINOR(bh->b_rdev);
+	int minor = MINOR(bh->b_dev);
 	int ret = 0;
 	ulong index;
 	ulong pe_start;
@@ -1675,8 +1675,11 @@
 			       struct buffer_head *bh)
 {
 	int ret = lvm_map(bh, rw);
-	if (ret < 0)
+
+	if (ret < 0) {
+		ret = 0;
 		buffer_IO_error(bh);
+	}
 	return ret;
 }