[PATCH] firmware: Fix refcount leak bug in trusted_foundation

From: Liang He
Date: Fri Jun 17 2022 - 09:35:59 EST


In of_register_trusted_foundations(), of_find_compatible_node() will
return a node pointer with refcount incremented. We should use
of_node_put() when it is not used anymore.

Signed-off-by: Liang He <windhl@xxxxxxx>
---
drivers/firmware/trusted_foundations.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/trusted_foundations.c b/drivers/firmware/trusted_foundations.c
index 1389fa9418a7..74ef947f5547 100644
--- a/drivers/firmware/trusted_foundations.c
+++ b/drivers/firmware/trusted_foundations.c
@@ -173,6 +173,7 @@ void of_register_trusted_foundations(void)
panic("Trusted Foundation: missing version-major property\n");
err = of_property_read_u32(node, "tlm,version-minor",
&pdata.version_minor);
+ of_node_put(node);
if (err != 0)
panic("Trusted Foundation: missing version-minor property\n");
register_trusted_foundations(&pdata);
--
2.25.1