linux-kernel - [PATCH net-next 2/2] net: phy: mscc: fix memory leak in vsc8574_config_pre

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Date:   Tue, 9 Oct 2018 21:39:53 +0200
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     linux-kernel@...r.kernel.org
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH net-next 2/2] net: phy: mscc: fix memory leak in
 vsc8574_config_pre_init

In case memory resources for *fw* were successfully allocated,
release them before return.

Addresses-Coverity-ID: 1473968 ("Resource leak")
Fixes: 00d70d8e0e78 ("net: phy: mscc: add support for VSC8574 PHY")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/net/phy/mscc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index bff56c3..af9fb2d 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -1292,7 +1292,7 @@ static int vsc8574_config_pre_init(struct phy_device *phydev)
 				dev_err(dev,
 					"%s: failed to assert reset of micro\n",
 					__func__);
-				return ret;
+				goto release_fw;
 			}
 		}
 	} else {
@@ -1338,7 +1338,7 @@ static int vsc8574_config_pre_init(struct phy_device *phydev)
 
 out:
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
-
+release_fw:
 	release_firmware(fw);
 
 	return ret;
-- 
2.7.4