From 3d38faef0de1756994b3d95e47b2302842f729e2 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Mon, 10 Jan 2022 16:24:13 +0200 Subject: [PATCH] ath11k: add missing of_node_put() to avoid leak The node pointer is returned by of_find_node_by_type() or of_parse_phandle() with refcount incremented. Calling of_node_put() to aovid the refcount leak. Fixes: 6ac04bdc5edb ("ath11k: Use reserved host DDR addresses from DT for PCI devices") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20211221114003.335557-1-yangyingliang@huawei.com --- drivers/net/wireless/ath/ath11k/mhi.c | 1 + drivers/net/wireless/ath/ath11k/qmi.c | 1 + 2 files changed, 2 insertions(+) --- a/drivers/net/wireless/ath/ath11k/mhi.c +++ b/drivers/net/wireless/ath/ath11k/mhi.c @@ -332,6 +332,7 @@ static int ath11k_mhi_read_addr_from_dt( return -ENOENT; ret = of_address_to_resource(np, 0, &res); + of_node_put(np); if (ret) return ret; --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -1936,6 +1936,7 @@ static int ath11k_qmi_assign_target_mem_ } ret = of_address_to_resource(hremote_node, 0, &res); + of_node_put(hremote_node); if (ret) { ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi fail to get reg from hremote\n");