We assume that "mp->phy" can be NULL a couple lines before the
dereference.
Fixes: 1cce16d37d0f ('net: mv643xx_eth: Add missing phy_addr_set in DT mode')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 00cd36e..e7905d9 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2890,7 +2890,8 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
PHY_INTERFACE_MODE_GMII);
if (!mp->phy)
err = -ENODEV;
- phy_addr_set(mp, mp->phy->addr);
+ else
+ phy_addr_set(mp, mp->phy->addr);
} else if (pd->phy_addr != MV643XX_ETH_PHY_NONE) {
mp->phy = phy_scan(mp, pd->phy_addr);
--
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