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-rw-r--r--net/core/dev.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 1698b399898..ad5598d2bb3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4686,6 +4686,26 @@ err_name:
return -ENOMEM;
}
+char *netdev_drivername(struct net_device *dev, char *buffer, int len)
+{
+ struct device_driver *driver;
+ struct device *parent;
+
+ if (len <= 0 || !buffer)
+ return buffer;
+ buffer[0] = 0;
+
+ parent = dev->dev.parent;
+
+ if (!parent)
+ return buffer;
+
+ driver = parent->driver;
+ if (driver && driver->name)
+ strlcpy(buffer, driver->name, len);
+ return buffer;
+}
+
static void __net_exit netdev_exit(struct net *net)
{
kfree(net->dev_name_head);