diff mbox series

OPP: OF: Fix an OF node leak in _opp_add_static_v2()

Message ID 20250107054453.2889332-1-joe@pf.is.s.u-tokyo.ac.jp
State New
Headers show
Series OPP: OF: Fix an OF node leak in _opp_add_static_v2() | expand

Commit Message

Joe Hattori Jan. 7, 2025, 5:44 a.m. UTC 
_opp_add_static_v2() leaks the obtained OF node reference when
_of_opp_alloc_required_opps() fails. Add an of_node_put() call in the
error path.

Fixes: 3466ea2cd6b6 ("OPP: Don't drop opp->np reference while it is still in use")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
---
 drivers/opp/of.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index fd5ed2858258..a24f76f5fd01 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -926,7 +926,7 @@  static struct dev_pm_opp *_opp_add_static_v2(struct opp_table *opp_table,
 
 	ret = _of_opp_alloc_required_opps(opp_table, new_opp);
 	if (ret)
-		goto free_opp;
+		goto put_node;
 
 	if (!of_property_read_u32(np, "clock-latency-ns", &val))
 		new_opp->clock_latency_ns = val;
@@ -976,6 +976,8 @@  static struct dev_pm_opp *_opp_add_static_v2(struct opp_table *opp_table,
 
 free_required_opps:
 	_of_opp_free_required_opps(opp_table, new_opp);
+put_node:
+	of_node_put(np);
 free_opp:
 	_opp_free(new_opp);