netdev - [PATCH] rrunner.c: fix possible memory leak in rr_init

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Message-ID: <1362767295-16334-1-git-send-email-daveo@ll.mit.edu>
Date:	Fri, 8 Mar 2013 13:28:15 -0500
From:	<daveo@...mit.edu>
To:	<netdev@...r.kernel.org>
CC:	<jes@...ined-monkey.org>, David Oostdyk <daveo@...mit.edu>
Subject: [PATCH] rrunner.c: fix possible memory leak in rr_init_one()

From: David Oostdyk <daveo@...mit.edu>

In the event that register_netdev() failed, the rrpriv->evt_ring
allocation would have not been freed.

Signed-off-by: David Oostdyk <daveo@...mit.edu>
---
 drivers/net/hippi/rrunner.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c
index d471963..970595a 100644
--- a/drivers/net/hippi/rrunner.c
+++ b/drivers/net/hippi/rrunner.c
@@ -203,6 +203,9 @@ static int __devinit rr_init_one(struct pci_dev *pdev,
 	return 0;
 
  out:
+	if (rrpriv->evt_ring)
+		pci_free_consistent(pdev, EVT_RING_SIZE, rrpriv->evt_ring,
+				    rrpriv->evt_ring_dma);
 	if (rrpriv->rx_ring)
 		pci_free_consistent(pdev, RX_TOTAL_SIZE, rrpriv->rx_ring,
 				    rrpriv->rx_ring_dma);
-- 
1.8.1.5

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