From: Yangtao Li <tiny.windzz@gmail.com>
Date: Wed, 26 Dec 2018 13:21:31 +0000 (-0500)
Subject: clk: ti: fix refcount leak in ti_dt_clocks_register()
X-Git-Tag: v4.19.99~534
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f96bcc2ccd6b761d13922bd8805dc35fb64c840e;p=thirdparty%2Fkernel%2Fstable.git

clk: ti: fix refcount leak in ti_dt_clocks_register()

[ Upstream commit 2274d8001fbb5e1942fbcab5ad2eb15553b09ed2 ]

The of_find_compatible_node() returns a node pointer with refcount
incremented, but there is the lack of use of the of_node_put() when
done. Add the missing of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Fixes: 5b385a45e001 ("clk: ti: add support for clkctrl aliases")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index 27e0979b31586..0cc87c6ae91c9 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -188,9 +188,13 @@ void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
 			clkdev_add(&c->lk);
 		} else {
 			if (num_args && !has_clkctrl_data) {
-				if (of_find_compatible_node(NULL, NULL,
-							    "ti,clkctrl")) {
+				struct device_node *np;
+
+				np = of_find_compatible_node(NULL, NULL,
+							     "ti,clkctrl");
+				if (np) {
 					has_clkctrl_data = true;
+					of_node_put(np);
 				} else {
 					clkctrl_nodes_missing = true;