Author: Julia Lawall <julia@diku.dk> Add a spin_unlock missing on the error path. The locks and unlocks are balanced in other functions, so it seems that the same should be the case here. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression E1; @@ * spin_lock(E1,…); * spin_unlock(E1,…); // Cc: stable@kernel.org …