4.4-stable review patch. If anyone has any objections, please let me know.
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From: Johan Hovold johan@kernel.org
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: 549985ee9c72 ("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
--- drivers/net/ethernet/ti/cpsw.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2086,6 +2086,7 @@ static int cpsw_probe_dt(struct cpsw_pla } 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;