From: Kedareswara rao Appana <appana.durga.rao@xilinx.com> To: <michal.simek@xilinx.com>, <soren.brinkmann@xilinx.com>, <appanad@xilinx.com>, <f.fainelli@gmail.com>, <andrew@lunn.ch> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org> Subject: [PATCH 1/2] net: phy: Add error checks in the driver Date: Fri, 19 Aug 2016 18:18:10 +0530 [thread overview] Message-ID: <1471610891-13353-1-git-send-email-appanad@xilinx.com> (raw) This patch adds the necessary error checks in the driver. Reported-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com> --- drivers/net/phy/xilinx_gmii2rgmii.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c index e7a20ec..7336fd0 100644 --- a/drivers/net/phy/xilinx_gmii2rgmii.c +++ b/drivers/net/phy/xilinx_gmii2rgmii.c @@ -39,11 +39,16 @@ struct gmii2rgmii { static int xgmiitorgmii_read_status(struct phy_device *phydev) { struct gmii2rgmii *priv = phydev->priv; - u16 val = 0; + int err, val = 0; - priv->phy_drv->read_status(phydev); + err = priv->phy_drv->read_status(phydev); + if (err < 0) + return err; val = mdiobus_read(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG); + if (val < 0) + return val; + val &= XILINX_GMII2RGMII_SPEED_MASK; if (phydev->speed == SPEED_1000) @@ -53,7 +58,10 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev) else val |= BMCR_SPEED10; - mdiobus_write(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG, val); + err = mdiobus_write(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG, + val); + if (err < 0) + return err; return 0; } -- 2.1.2
WARNING: multiple messages have this Message-ID (diff)
From: appana.durga.rao@xilinx.com (Kedareswara rao Appana) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] net: phy: Add error checks in the driver Date: Fri, 19 Aug 2016 18:18:10 +0530 [thread overview] Message-ID: <1471610891-13353-1-git-send-email-appanad@xilinx.com> (raw) This patch adds the necessary error checks in the driver. Reported-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com> --- drivers/net/phy/xilinx_gmii2rgmii.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c index e7a20ec..7336fd0 100644 --- a/drivers/net/phy/xilinx_gmii2rgmii.c +++ b/drivers/net/phy/xilinx_gmii2rgmii.c @@ -39,11 +39,16 @@ struct gmii2rgmii { static int xgmiitorgmii_read_status(struct phy_device *phydev) { struct gmii2rgmii *priv = phydev->priv; - u16 val = 0; + int err, val = 0; - priv->phy_drv->read_status(phydev); + err = priv->phy_drv->read_status(phydev); + if (err < 0) + return err; val = mdiobus_read(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG); + if (val < 0) + return val; + val &= XILINX_GMII2RGMII_SPEED_MASK; if (phydev->speed == SPEED_1000) @@ -53,7 +58,10 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev) else val |= BMCR_SPEED10; - mdiobus_write(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG, val); + err = mdiobus_write(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG, + val); + if (err < 0) + return err; return 0; } -- 2.1.2
next reply other threads:[~2016-08-19 12:49 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-19 12:48 Kedareswara rao Appana [this message] 2016-08-19 12:48 ` [PATCH 1/2] net: phy: Add error checks in the driver Kedareswara rao Appana 2016-08-19 12:48 ` [PATCH 2/2] net: phy: Fix race conditions " Kedareswara rao Appana 2016-08-19 12:48 ` Kedareswara rao Appana 2016-08-19 13:24 ` Andrew Lunn 2016-08-19 13:24 ` Andrew Lunn 2016-08-19 13:15 ` [PATCH 1/2] net: phy: Add error checks " Andrew Lunn 2016-08-19 13:15 ` Andrew Lunn 2016-08-19 13:18 ` Appana Durga Kedareswara Rao 2016-08-19 13:18 ` Appana Durga Kedareswara Rao 2016-08-19 13:18 ` Appana Durga Kedareswara Rao
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