linux-kernel - [PATCH 5.4 029/102] phy: lantiq: vrx200-pcie: fix error return code in ltq_vrx200_pcie_phy_power

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Date:   Fri, 24 Jan 2020 10:30:30 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH 5.4 029/102] phy: lantiq: vrx200-pcie: fix error return code in ltq_vrx200_pcie_phy_power_on()

From: Wei Yongjun <weiyongjun1@...wei.com>

commit 82b5d164415549e74cfa1f9156ffd4463d0a76e2 upstream.

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: e52a632195bf ("phy: lantiq: vrx200-pcie: add a driver for the Lantiq VRX200 PCIe PHY")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/phy/lantiq/phy-lantiq-vrx200-pcie.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/phy/lantiq/phy-lantiq-vrx200-pcie.c
+++ b/drivers/phy/lantiq/phy-lantiq-vrx200-pcie.c
@@ -323,7 +323,8 @@ static int ltq_vrx200_pcie_phy_power_on(
 		goto err_disable_pdi_clk;
 
 	/* Check if we are in "startup ready" status */
-	if (ltq_vrx200_pcie_phy_wait_for_pll(phy) != 0)
+	ret = ltq_vrx200_pcie_phy_wait_for_pll(phy);
+	if (ret)
 		goto err_disable_phy_clk;
 
 	ltq_vrx200_pcie_phy_apply_workarounds(phy);