1 files changed, 23 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index fdfc4b6a644..e9139053399 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -954,6 +954,29 @@ rollback:
 }
 
 /**
+ *	dev_set_alias - change ifalias of a device
+ *	@dev: device
+ *	@alias: name up to IFALIASZ
+ *
+ *	Set ifalias for a device,
+ */
+int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
+{
+	ASSERT_RTNL();
+
+	if (len >= IFALIASZ)
+		return -EINVAL;
+
+	dev->ifalias = krealloc(dev->ifalias, len+1, GFP_KERNEL);
+	if (!dev->ifalias)
+		return -ENOMEM;
+
+	strlcpy(dev->ifalias, alias, len+1);
+	return len;
+}
+
+
+/**
  *	netdev_features_change - device changes features
  *	@dev: device to cause notification
  *