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-rw-r--r--net/core/dev.c23
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
*