From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
When passed a non-head list element, list_add_tail() actually adds the
new element to its left, which is what we want. Despite the slightly
confusing name, use the dedicated function which does the same thing as
the open-coded list_add(pos->prev).
Suggested-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Signed-off-by: Jakob Koschel <jakobkoschel@xxxxxxxxx>