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 4.9 18/32] net: stmmac: dwmac-rk: fix error handling in rk_gmac_powerup()
Date: Sat, 23 Feb 2019 16:09:37 -0500 [thread overview]
Message-ID: <20190223210951.202268-18-sashal@kernel.org> (raw)
In-Reply-To: <20190223210951.202268-1-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 d80c88bd2bba8..6e61bccc90b3c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -877,8 +877,10 @@ 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;
+ }
ret = gmac_clk_enable(bsp_priv, true);
if (ret)
--
2.19.1
next prev parent reply other threads:[~2019-02-23 21:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-23 21:09 [PATCH AUTOSEL 4.9 01/32] vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel Sasha Levin
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 02/32] xfrm: refine validation of template and selector families Sasha Levin
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 08/32] ipvs: Fix signed integer overflow when setsockopt timeout Sasha Levin
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 15/32] net: altera_tse: fix msgdma_tx_completion on non-zero fill_level case Sasha Levin
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 16/32] net: hns: Fix for missing of_node_put() after of_parse_phandle() Sasha Levin
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 17/32] net: hns: Fix wrong read accesses via Clause 45 MDIO protocol Sasha Levin
2019-02-23 21:09 ` Sasha Levin [this message]
2019-02-23 21:09 ` [PATCH AUTOSEL 4.9 21/32] qed: Fix VF probe failure while FLR Sasha Levin
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