The debugfs_lookup() function returns a dentry with an increased
reference count that must be released by calling dput().
Fixes: d0f1e0c2a699 ("thunderbolt: Add support for receiver lane margining")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/thunderbolt/debugfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c
index f8328ca7e22e..2aadbec9a3e5 100644
--- a/drivers/thunderbolt/debugfs.c
+++ b/drivers/thunderbolt/debugfs.c
@@ -1770,6 +1770,7 @@ static void margining_port_init(struct tb_port *port)
port->usb4->margining = margining_alloc(port, &port->usb4->dev,
USB4_SB_TARGET_ROUTER, 0,
parent);
+ dput(parent);
}
static void margining_port_remove(struct tb_port *port)
--
2.35.1
