diff --git a/drivers/gpib/cb7210/cb7210.c b/drivers/gpib/cb7210/cb7210.c
index 6dd8637c5964..673b5bfe2e7d 100644
--- a/drivers/gpib/cb7210/cb7210.c
+++ b/drivers/gpib/cb7210/cb7210.c
@@ -1049,7 +1049,8 @@ static int cb_isa_attach(struct gpib_board *board, const struct gpib_board_confi
 	if (!request_region(config->ibbase, cb7210_iosize, DRV_NAME)) {
 		dev_err(board->gpib_dev, "ioports starting at 0x%x are already in use\n",
 			config->ibbase);
-		return -EBUSY;
+		retval = -EBUSY;
+		goto err_release_region;
 	}
 	nec_priv->iobase = config->ibbase;
 	cb_priv->fifo_iobase = nec7210_iobase(cb_priv);
@@ -1062,11 +1063,16 @@ static int cb_isa_attach(struct gpib_board *board, const struct gpib_board_confi
 	// install interrupt handler
 	if (request_irq(config->ibirq, cb7210_interrupt, isr_flags, DRV_NAME, board)) {
 		dev_err(board->gpib_dev, "failed to obtain IRQ %d\n", config->ibirq);
-		return -EBUSY;
+		retval = -EBUSY;
+		goto err_release_region;
 	}
 	cb_priv->irq = config->ibirq;
 
 	return cb7210_init(cb_priv, board);
+
+err_release_region:
+	release_region(nec7210_iobase(cb_priv), cb7210_iosize);
+	return retval;
 }
 
 static void cb_isa_detach(struct gpib_board *board)