The local variable np in function of_unittest_platform_populate takes
the return value of of_find_node_by_path, which gets a node but does not
put it. If np is not put before return it may cause a memory leak. Hence
put np before a return statement.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@xxxxxxxxx>
---
drivers/of/unittest.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index e6b175370f2e..480a21e2ed39 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1044,8 +1044,10 @@ static void __init of_unittest_platform_populate(void)
test_bus = platform_device_register_full(&test_bus_info);
rc = PTR_ERR_OR_ZERO(test_bus);
unittest(!rc, "testbus registration failed; rc=%i\n", rc);
- if (rc)
+ if (rc) {
+ of_node_put(np);
return;
+ }
test_bus->dev.of_node = np;
/*
--
2.19.1
