xlr_net: Fix missing trivial allocation check

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c
index eedffed17e391d3243443c443ff9338bf494c440..d8ea25486a331b1ebbe613b15707c9d70546bba0 100644 (file)
--- a/drivers/staging/netlogic/xlr_net.c
+++ b/drivers/staging/netlogic/xlr_net.c
@@ -892,6 +892,11 @@ static int xlr_setup_mdio(struct xlr_net_priv *priv,
        priv->mii_bus->write = xlr_mii_write;
        priv->mii_bus->parent = &pdev->dev;
        priv->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
+       if (priv->mii_bus->irq == NULL) {
+               pr_err("irq alloc failed\n");
+               mdiobus_free(priv->mii_bus);
+               return -ENOMEM;
+       }
        priv->mii_bus->irq[priv->phy_addr] = priv->ndev->irq;
 
        /* Scan only the enabled address */