The function of_phy_find_device may return NULL, so we need to take care before dereferencing phy_dev. Fixes: 64a632da538a ("net: fec: Fix phy_device lookup for phy_reset_after_clk_enable()") Signed-off-by: Stefan Wahren Cc: Christoph Niedermaier Cc: Richard Leitner --- drivers/net/ethernet/freescale/fec_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1383918f8a3f..adf1f2bbcbb1 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2363,7 +2363,8 @@ static void fec_enet_phy_reset_after_clk_enable(struct net_device *ndev) */ phy_dev = of_phy_find_device(fep->phy_node); phy_reset_after_clk_enable(phy_dev); - put_device(&phy_dev->mdio.dev); + if (phy_dev) + put_device(&phy_dev->mdio.dev); } } -- 2.34.1