From: Wang Hai <wanghai38@xxxxxxxxxx> [ Upstream commit 82a10dc7f0960735f40e8d7d3bee56934291600f ] Fix to return negative error code -ENOENT from invalid configuration error handling case instead of 0, as done elsewhere in this function. Fixes: 4bb043262878 ("net: mvpp2: phylink support") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Link: https://lore.kernel.org/r/20201203141806.37966-1-wanghai38@xxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -3696,6 +3696,7 @@ static int mvpp2_open(struct net_device if (!valid) { netdev_err(port->dev, "invalid configuration: no dt or link IRQ"); + err = -ENOENT; goto err_free_irq; }