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net: ethernet: ti: cpsw: fix mdio device reference leak

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commit 86e1d5adcef961eb383ce4eacbe0ef22f06e2045 upstream.

Make sure to drop the reference taken by of_find_device_by_node() when
looking up an mdio device from a phy_id property during probe.

Fixes: 549985ee9c ("cpsw: simplify the setup of the register
pointers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2016-11-17 17:39:59 +01:00 • committed by Greg Kroah-Hartman
parent d02c870872
commit b317984257
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/ti/cpsw.c
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@ -2086,6 +2086,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
}
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
PHY_ID_FMT, mdio->name, phyid);
put_device(&mdio->dev);
} else {
dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
goto no_phy_slave;