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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>,
	"David S . Miller" <davem@davemloft.net>,
	Sasha Levin <sashal@kernel.org>,
	netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 20/45] net: stmmac: dwmac-rk: fix error handling in rk_gmac_powerup()
Date: Sat, 23 Feb 2019 16:08:10 -0500	[thread overview]
Message-ID: <20190223210835.201708-20-sashal@kernel.org> (raw)
In-Reply-To: <20190223210835.201708-1-sashal@kernel.org>

From: Alexey Khoroshilov <khoroshilov@ispras.ru>

[ 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>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 13133b30b575e..01787344f6e59 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);
-- 
2.19.1


  parent reply	other threads:[~2019-02-23 21:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-23 21:07 [PATCH AUTOSEL 4.14 01/45] vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel Sasha Levin
2019-02-23 21:07 ` [PATCH AUTOSEL 4.14 02/45] xfrm: refine validation of template and selector families Sasha Levin
2019-02-23 21:07 ` [PATCH AUTOSEL 4.14 08/45] ipvs: Fix signed integer overflow when setsockopt timeout Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 16/45] net: altera_tse: fix msgdma_tx_completion on non-zero fill_level case Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 17/45] net: hns: Fix for missing of_node_put() after of_parse_phandle() Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 18/45] net: hns: Restart autoneg need return failed when autoneg off Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 19/45] net: hns: Fix wrong read accesses via Clause 45 MDIO protocol Sasha Levin
2019-02-23 21:08 ` Sasha Levin [this message]
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 21/45] netfilter: ebtables: compat: un-break 32bit setsockopt when no rules are present Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 25/45] qed: Fix bug in tx promiscuous mode settings Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 26/45] qed: Fix LACP pdu drops for VFs Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 27/45] qed: Fix VF probe failure while FLR Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 28/45] qed: Fix system crash in ll2 xmit Sasha Levin
2019-02-23 21:08 ` [PATCH AUTOSEL 4.14 29/45] qed: Fix stack out of bounds bug Sasha Levin

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