On 08/02/2018 01:38 AM, Dan Carpenter wrote: > We should return error pointers in this function. Returning NULL > results in a NULL dereference in the caller. > > Fixes: 73688d1ed0b8 ("apparmor: refactor prepare_ns() and make usable from different views") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > applied to apparmor-next > diff --git a/security/apparmor/policy_ns.c b/security/apparmor/policy_ns.c > index b0f9dc3f765a..1a7cec5d9cac 100644 > --- a/security/apparmor/policy_ns.c > +++ b/security/apparmor/policy_ns.c > @@ -255,7 +255,7 @@ static struct aa_ns *__aa_create_ns(struct aa_ns *parent, const char *name, > > ns = alloc_ns(parent->base.hname, name); > if (!ns) > - return NULL; > + return ERR_PTR(-ENOMEM); > ns->level = parent->level + 1; > mutex_lock_nested(&ns->lock, ns->level); > error = __aafs_ns_mkdir(ns, ns_subns_dir(parent), name, dir); >