linux-kernel - [PATCH 2 of 28] IB/ipath - fix memory leak if allocation fails

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Message-Id: <45079acba20851290d1f.1159459198@eng-12.pathscale.com>
Date:	Thu, 28 Sep 2006 08:59:58 -0700
From:	Bryan O'Sullivan <bos@...hscale.com>
To:	rdreier@...co.com
Cc:	linux-kernel@...r.kernel.org, openib-general@...nib.org
Subject: [PATCH 2 of 28] IB/ipath - fix memory leak if allocation fails

If the second allocation failed, the first structure allocated in this
routine was not freed.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@...gic.com>

diff -r c46292ccb0f5 -r 45079acba208 drivers/infiniband/hw/ipath/ipath_driver.c
--- a/drivers/infiniband/hw/ipath/ipath_driver.c	Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c	Thu Sep 28 08:57:12 2006 -0700
@@ -1326,6 +1326,9 @@ int ipath_create_rcvhdrq(struct ipath_de
 				      "for port %u rcvhdrqtailaddr failed\n",
 				      pd->port_port);
 			ret = -ENOMEM;
+			dma_free_coherent(&dd->pcidev->dev, amt,
+					  pd->port_rcvhdrq, pd->port_rcvhdrq_phys);
+			pd->port_rcvhdrq = NULL;
 			goto bail;
 		}
 		pd->port_rcvhdrqtailaddr_phys = phys_hdrqtail;
-
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