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authorYang Yingliang <yangyingliang@huawei.com>2022-01-10 16:24:13 +0200
committerKalle Valo <quic_kvalo@quicinc.com>2022-01-11 16:27:37 +0200
commit3d38faef0de1756994b3d95e47b2302842f729e2 (patch)
tree2b997bcbac24e9f256d29c566b83f22a378a9b57
parent8aaaf2f3af2ae212428f4db1af34214225f5cec3 (diff)
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 <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20211221114003.335557-1-yangyingliang@huawei.com
-rw-r--r--drivers/net/wireless/ath/ath11k/mhi.c1
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index e4250ba8dfee..cccaa348cf21 100644
--- 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(struct mhi_controller *mhi_ctrl)
return -ENOENT;
ret = of_address_to_resource(np, 0, &res);
+ of_node_put(np);
if (ret)
return ret;
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 65d3c6ba35ae..42c2ad3e3668 100644
--- 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_chunk(struct ath11k_base *ab)
}
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");