| Message ID | 20221017035156.2497448-4-yangyingliang@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | net: ethernet: mtk_eth_wed: fixe some leaks | expand |
Il 17/10/22 05:51, Yang Yingliang ha scritto: > The device_node pointer returned by of_parse_phandle() with refcount > incremented, when finish using it, the refcount need be decreased. > > Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index 09bbd05bd83c..65e01bf4b4d2 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -1072,7 +1072,7 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, pdev = of_find_device_by_node(np); if (!pdev) - return; + goto err_of_node_put; get_device(&pdev->dev); irq = platform_get_irq(pdev, 0); @@ -1132,6 +1132,8 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, mutex_unlock(&hw_lock); err_put_device: put_device(&pdev->dev); +err_of_node_put: + of_node_put(np); } void mtk_wed_exit(void) @@ -1152,6 +1154,7 @@ void mtk_wed_exit(void) hw_list[i] = NULL; debugfs_remove(hw->debugfs_dir); put_device(hw->dev); + of_node_put(hw->node); kfree(hw); } }
The device_node pointer returned by of_parse_phandle() with refcount incremented, when finish using it, the refcount need be decreased. Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/net/ethernet/mediatek/mtk_wed.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)