drivers: serial: jsm: fix some leaks in probe

[ Upstream commit 1d5859e ]

This error path needs to unwind instead of just returning directly.

Fixes: 03a8482 ("drivers: serial: jsm: Enable support for Digi Classic adapters")
Signed-off-by: Dan Carpenter <[email protected]>
Link: https://lore.kernel.org/r/YyxFh1+lOeZ9WfKO@kili
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: Dan Carpenter

drivers/tty/serial/jsm/jsm_driver.c

@@ -211,7 +211,8 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 		break;
 	default:
-		return -ENXIO;
+		rc = -ENXIO;
+		goto out_kfree_brd;
 	}
 
 	rc = request_irq(brd->irq, brd->bd_ops->intr, IRQF_SHARED, "JSM", brd);