From: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> [ Upstream commit e928b5d6b75e239feb9c6d5488974b6646a0ebc8 ] If mv643xx_eth_shared_of_probe() fails, mv643xx_eth_shared_probe() leaves clk enabled. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/ethernet/marvell/mv643xx_eth.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 5b12022adf1f..526d07e02bbc 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -2886,7 +2886,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) ret = mv643xx_eth_shared_of_probe(pdev); if (ret) - return ret; + goto err_put_clk; pd = dev_get_platdata(&pdev->dev); msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ? @@ -2894,6 +2894,11 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) infer_hw_params(msp); return 0; + +err_put_clk: + if (!IS_ERR(msp->clk)) + clk_disable_unprepare(msp->clk); + return ret; } static int mv643xx_eth_shared_remove(struct platform_device *pdev) -- 2.19.1
