linux-kernel - [PATCH net-next v3 2/2] net: phy: mscc: fix memory leak in vsc8574_config_pre

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Date:   Tue, 16 Oct 2018 19:37:35 +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>,
        netdev@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH net-next v3 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")
Reviewed-by: Quentin Schulz <quentin.schulz@...tlin.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
Changes in v3:
 - Add Quentin's Reviewed-by to the commit log.
 - Post patch to netdev.

Changes in v2:
 - Jump to out label so all functions in the driver exit with the PHY
   set to access the standard page. Thanks to Quentin Schulz for
   pointing this out.

 drivers/net/phy/mscc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index bff56c3..a2e59f4 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 out;
 			}
 		}
 	} else {
-- 
2.7.4