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[net,12/16] net: ethernet: mediatek: fix fixed-link phydev leaks

Message ID 1480357509-28074-13-git-send-email-johan@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Johan Hovold Nov. 28, 2016, 6:25 p.m. UTC 
Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on initialisation errors and on uninit.

Fixes: 0c72c50f6f93 ("net-next: mediatek: add fixed-phy support")
Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 4a62ffd7729d..86a89cbd3ec9 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -318,6 +318,8 @@  static int mtk_phy_connect(struct net_device *dev)
 	return 0;
 
 err_phy:
+	if (of_phy_is_fixed_link(mac->of_node))
+		of_phy_deregister_fixed_link(mac->of_node);
 	of_node_put(np);
 	dev_err(eth->dev, "%s: invalid phy\n", __func__);
 	return -EINVAL;
@@ -1923,6 +1925,8 @@  static void mtk_uninit(struct net_device *dev)
 	struct mtk_eth *eth = mac->hw;
 
 	phy_disconnect(dev->phydev);
+	if (of_phy_is_fixed_link(mac->of_node))
+		of_phy_deregister_fixed_link(mac->of_node);
 	mtk_irq_disable(eth, MTK_QDMA_INT_MASK, ~0);
 	mtk_irq_disable(eth, MTK_PDMA_INT_MASK, ~0);
 }