[PATCH] wifi: ath11k: fix refcount leak in ath11k_ahb_fw_resources_init()

[Wentao Liang]

of_get_child_by_name() returns a node pointer with refcount
incremented, but the error path when ath11k_ahb_setup_msa_resources()
fails does not release it.  Add the missing of_node_put() to avoid
leaking the reference.

Cc: stable at vger.kernel.org
Fixes: 095cb947490c ("wifi: ath11k: allow missing memory-regions")
Signed-off-by: Wentao Liang <vulab at iscas.ac.cn>
---
 drivers/net/wireless/ath/ath11k/ahb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index 08d3a0c8f105..8a08275db40a 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -996,6 +996,7 @@ static int ath11k_ahb_fw_resources_init(struct ath11k_base *ab)
 	ret = ath11k_ahb_setup_msa_resources(ab);
 	if (ret) {
 		ath11k_err(ab, "failed to setup msa resources\n");
+		of_node_put(node);
 		return ret;
 	}
 
-- 
2.34.1