Author: Julia Lawall <julia@diku.dk> Add a mutex_unlock missing on the error path. The use of this lock is balanced elsewhere in the file. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression E1; @@ * mutex_lock(E1,…); * mutex_unlock(E1,…); // Signed-off-by: Julia Lawall Signed-off-by: Alex Elder — fs/xfs/quota/xfs_qm.c | 4 +++- …