From 2c41cc0be07b5ee2f1167f41cd8a86fc5b53d82c Mon Sep 17 00:00:00 2001 From: Wen Yang Date: Mon, 6 May 2019 03:05:15 -0400 Subject: [PATCH] media: venus: firmware: fix leaked of_node references The call to of_parse_phandle returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: drivers/media/platform/qcom/venus/firmware.c:90:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function. drivers/media/platform/qcom/venus/firmware.c:94:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function. drivers/media/platform/qcom/venus/firmware.c:128:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function. Signed-off-by: Wen Yang Acked-by: Stanimir Varbanov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/firmware.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index 6cfa802..f81449b 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -87,11 +87,11 @@ static int venus_load_fw(struct venus_core *core, const char *fwname, ret = of_address_to_resource(node, 0, &r); if (ret) - return ret; + goto err_put_node; ret = request_firmware(&mdt, fwname, dev); if (ret < 0) - return ret; + goto err_put_node; fw_size = qcom_mdt_get_size(mdt); if (fw_size < 0) { @@ -125,6 +125,8 @@ static int venus_load_fw(struct venus_core *core, const char *fwname, memunmap(mem_va); err_release_fw: release_firmware(mdt); +err_put_node: + of_node_put(node); return ret; } -- 2.7.4