From: Jisheng Zhang <jszhang@marvell.com>
Date: Tue, 27 Aug 2013 04:41:15 +0000 (+0800)
Subject: bus: mvebu: add missing of_node_put() to fix reference leak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4ec7fc4abb554c6c9b0eda81ad1c9cb82c29aa79;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

bus: mvebu: add missing of_node_put() to fix reference leak

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>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

Conflicts:
	drivers/bus/mvebu-mbus.c
---

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 19ab6ff53d59..553185318963 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
 					 phys_addr_t sdramwins_phys_base,
 					 size_t sdramwins_size)
 {
+	struct device_node *np;
 	int win;
 
 	mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size);
@@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
 		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);