After using 'root' returned by of_find_node_by_path(), of_node_put() need be called to decrease the refcount. Fixes: 63fac3343b99 ("Bluetooth: btbcm: Support per-board firmware variants") Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx> --- drivers/bluetooth/btbcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 3006e2a0f37e..a85f3c62b08a 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -504,8 +504,10 @@ static const char *btbcm_get_board_name(struct device *dev) if (!root) return NULL; - if (of_property_read_string_index(root, "compatible", 0, &tmp)) + if (of_property_read_string_index(root, "compatible", 0, &tmp)) { + of_node_put(root); return NULL; + } /* get rid of any '/' in the compatible string */ len = strlen(tmp) + 1; -- 2.17.1