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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2019-02-16 00:20:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-23 08:44:33 +0100
commit764498fa2d2be92af6c9a80563c91a2206c02918 (patch)
tree5797cb628628a50a8555203c2557130b9166ed0a /drivers/net/ethernet/marvell
parent0b6f466dfc6200811a908ecde8741ea66a8e12f0 (diff)
net: mv643xx_eth: disable clk on error path in mv643xx_eth_shared_probe()
[ 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@ispras.ru> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/marvell')
-rw-r--r--drivers/net/ethernet/marvell/mv643xx_eth.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 4182290fdbcf..82f080a5ed5c 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2884,7 +2884,7 @@ 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) ?
@@ -2892,6 +2892,11 @@ 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)