IB/ipath: Call free_irq() on chip specific initialization failure

In initialization, if we bailed at chip specific initialization, we
forgot to clean up the irq we had requested.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 291d4ea..ab7458e 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -486,7 +486,7 @@
 
 	ret = ipath_init_chip(dd, 0);	/* do the chip-specific init */
 	if (ret)
-		goto bail_iounmap;
+		goto bail_irqsetup;
 
 	ret = ipath_enable_wc(dd);
 
@@ -505,6 +505,9 @@
 
 	goto bail;
 
+bail_irqsetup:
+	if (pdev->irq) free_irq(pdev->irq, dd);
+
 bail_iounmap:
 	iounmap((volatile void __iomem *) dd->ipath_kregbase);