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>
git-mirror · Feb 7, 2014 · ad3815a · ad3815a
1 parent e6ff3f4
commit ad3815a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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 */