net: add description for len argument of dev_get_phys_port_name

When the function dev_get_phys_port_name was added it missed a description
for it's len argument. Adding it.

Fixes: db24a9044ee1 ("net: add support for phys_port_name")
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 43c74ca..b9bcbe7 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6445,6 +6445,7 @@ EXPORT_SYMBOL(dev_get_phys_port_id);
  *     dev_get_phys_port_name - Get device physical port name
  *     @dev: device
  *     @name: port name
+ *     @len: limit of bytes to copy to name
  *
  *     Get device physical port name
  */