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net: sun4i-emac: fix missing of_node_put() for phy_node

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of_parse_phandle() returns a node pointer with an elevated refcount.
Add the missing of_node_put() on the probe error path after
register_netdev() fails and in emac_remove().

Fixes: 492205050d ("net: Add EMAC ethernet driver found on Allwinner A10 SoC's")
Signed-off-by: Li Youhong <liyouhong@kylinos.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260904080758.2432748-1-dayou5941@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Li Youhong 2026-09-04 16:07:58 +08:00 committed by Paolo Abeni
parent dff39930ad
commit af406abfec
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/allwinner/sun4i-emac.c
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@ -1067,6 +1067,7 @@ static int emac_probe(struct platform_device *pdev)
return 0;
out_release_sram:
of_node_put(db->phy_node);
sunxi_sram_release(&pdev->dev);
out_clk_disable_unprepare:
clk_disable_unprepare(db->clk);
@ -1094,6 +1095,7 @@ static void emac_remove(struct platform_device *pdev)
}
unregister_netdev(ndev);
of_node_put(db->phy_node);
sunxi_sram_release(&pdev->dev);
clk_disable_unprepare(db->clk);
irq_dispose_mapping(ndev->irq);