diff --git a/drivers/gpib/cb7210/cb7210.c b/drivers/gpib/cb7210/cb7210.c
index 6dd8637c5964..05058bf2cd50 100644
--- a/drivers/gpib/cb7210/cb7210.c
+++ b/drivers/gpib/cb7210/cb7210.c
@@ -1062,6 +1062,7 @@ 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);
+		release_region(nec7210_iobase(cb_priv), cb7210_iosize);
 		return -EBUSY;
 	}
 	cb_priv->irq = config->ibirq;