diff --git a/[refs] b/[refs]
index 07e700f7c327..639a47f88ada 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a24342b90c9c829fc5fea9ee01b127f81bca18ef
+refs/heads/master: 413f73272090a69e35a03c938272ec661b1d3d4c
diff --git a/trunk/drivers/scsi/st.c b/trunk/drivers/scsi/st.c
index 3babdc76b3fb..e1a52c525ed4 100644
--- a/trunk/drivers/scsi/st.c
+++ b/trunk/drivers/scsi/st.c
@@ -1177,7 +1177,10 @@ static int st_open(struct inode *inode, struct file *filp)
 		goto err_out;
 	if ((filp->f_flags & O_NONBLOCK) == 0 &&
 	    retval != CHKRES_READY) {
-		retval = (-EIO);
+		if (STp->ready == NO_TAPE)
+			retval = (-ENOMEDIUM);
+		else
+			retval = (-EIO);
 		goto err_out;
 	}
 	return 0;