aa_null 2407 security/apparmor/apparmorfs.c struct path aa_null; aa_null 2438 security/apparmor/apparmorfs.c aa_null.dentry = dget(dentry); aa_null 2439 security/apparmor/apparmorfs.c aa_null.mnt = mntget(mount); aa_null 692 security/apparmor/file.c devnull = dentry_open(&aa_null, O_RDWR, cred); aa_null 14 security/apparmor/include/apparmorfs.h extern struct path aa_null; aa_null 451 security/apparmor/lsm.c if (file->f_path.dentry == aa_null.dentry)