From: Jisheng Zhang <jszhang@marvell.com>
To: <jszhang@marvell.com>, <jason@lakedaemon.net>, <andrew@lunn.ch>,
<gregory.clement@free-electrons.com>,
<thomas.petazzoni@free-electrons.com>,
<ezequiel.garcia@free-electrons.com>, <mturquette@linaro.org>,
<sebastian.hesselbarth@gmail.com>, <linus.walleij@linaro.org>
Cc: <linux@arm.linux.org.uk>, <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH v5 2/3] bus: mvebu: add missing of_node_put() to fix reference leak
Date: Tue, 27 Aug 2013 12:41:15 +0800 [thread overview]
Message-ID: <1377578476-3268-3-git-send-email-jszhang@marvell.com> (raw)
In-Reply-To: <1377578476-3268-1-git-send-email-jszhang@marvell.com>
Add of_node_put to properly decrement the refcount when we are
done using a given node.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
drivers/bus/mvebu-mbus.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 33c6947..20da90f 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -837,6 +837,7 @@ int __init mvebu_mbus_init(const char *soc, phys_addr_t mbuswins_phys_base,
{
struct mvebu_mbus_state *mbus = &mbus_state;
const struct of_device_id *of_id;
+ struct device_node *np;
int win;
for (of_id = of_mvebu_mbus_ids; of_id->compatible; of_id++)
@@ -860,8 +861,11 @@ int __init mvebu_mbus_init(const char *soc, phys_addr_t mbuswins_phys_base,
return -ENOMEM;
}
- if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"))
+ np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric");
+ if (np) {
mbus->hw_io_coherency = 1;
+ of_node_put(np);
+ }
for (win = 0; win < mbus->soc->num_wins; win++)
mvebu_mbus_disable_window(mbus, win);
--
1.8.4.rc3
next prev parent reply other threads:[~2013-08-27 4:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-27 4:41 [PATCH v5 0/3] arm: mvebu: fix resource leak Jisheng Zhang
2013-08-27 4:41 ` [PATCH v5 1/3] arm: mvebu: add missing of_node_put() to fix reference leak Jisheng Zhang
2013-08-27 4:41 ` Jisheng Zhang [this message]
2013-08-27 4:41 ` [PATCH v5 3/3] pinctrl: mvebu: Convert to use devm_ioremap_resource Jisheng Zhang
2013-08-28 12:18 ` Linus Walleij
2013-08-27 14:42 ` [PATCH v5 0/3] arm: mvebu: fix resource leak Jason Cooper
2013-08-28 12:19 ` Linus Walleij
2013-11-07 3:08 [PATCH 0/4] arm: make use of common scu_a9_get_base() interface Jisheng Zhang
2013-11-07 3:08 ` [PATCH v5 2/3] bus: mvebu: add missing of_node_put() to fix reference leak Jisheng Zhang
2013-11-07 17:56 ` Gregory CLEMENT
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