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| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2019-01-26 22:48:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-14 00:03:13 +0300 |
| commit | 366abec996a44f273c5556f2d132ad45afe4f39f (patch) | |
| tree | 4673d8259ae8108f53dbd2eca46964147ed46cf7 /drivers/net/ethernet/stmicro | |
| parent | 04731b3c702b6008786542707259f1bbe21caae5 (diff) | |
| download | linux-366abec996a44f273c5556f2d132ad45afe4f39f.tar.xz | |
net: stmmac: dwmac-rk: fix error handling in rk_gmac_powerup()
[ Upstream commit c69c29a1a0a8f68cd87e98ba4a5a79fb8ef2a58c ]
If phy_power_on() fails in rk_gmac_powerup(), clocks are left 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/stmicro')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 13133b30b575..01787344f6e5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1284,8 +1284,10 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) } ret = phy_power_on(bsp_priv, true); - if (ret) + if (ret) { + gmac_clk_enable(bsp_priv, false); return ret; + } pm_runtime_enable(dev); pm_runtime_get_sync(dev); |