From: Kulikov Vasiliy <segooon@gmail.com>
To: Kernel Janitors <kernel-janitors@vger.kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
John Linn <john.linn@xilinx.com>,
Grant Likely <grant.likely@secretlab.ca>,
Jiri Pirko <jpirko@redhat.com>,
Brian Hill <brian.hill@xilinx.com>,
netdev@vger.kernel.org
Subject: [PATCH 2/4] ll_temac: fix memory leak
Date: Thu, 8 Jul 2010 16:10:03 +0400 [thread overview]
Message-ID: <1278591006-3156-1-git-send-email-segooon@gmail.com> (raw)
If of_iomap() or irq_of_parse_and_map() fail then np must be freed.
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
---
drivers/net/ll_temac_main.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index 5bca20b..a2da3d7 100644
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -999,19 +999,22 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
dev_dbg(&op->dev, "MEM base: %p\n", lp->sdma_regs);
} else {
dev_err(&op->dev, "unable to map DMA registers\n");
+ of_node_put(np);
goto err_iounmap;
}
}
lp->rx_irq = irq_of_parse_and_map(np, 0);
lp->tx_irq = irq_of_parse_and_map(np, 1);
+
+ of_node_put(np); /* Finished with the DMA node; drop the reference */
+
if ((lp->rx_irq == NO_IRQ) || (lp->tx_irq == NO_IRQ)) {
dev_err(&op->dev, "could not determine irqs\n");
rc = -ENOMEM;
goto err_iounmap_2;
}
- of_node_put(np); /* Finished with the DMA node; drop the reference */
/* Retrieve the MAC address */
addr = of_get_property(op->dev.of_node, "local-mac-address", &size);
--
1.7.0.4
next reply other threads:[~2010-07-08 12:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-08 12:10 Kulikov Vasiliy [this message]
2010-07-08 15:24 ` [PATCH 2/4] ll_temac: fix memory leak Grant Likely
2010-07-09 6:43 ` David Miller
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