cgroup: don't put ERR_PTR() into fc->root
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 10 Nov 2019 16:53:27 +0000 (11:53 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 10 Nov 2019 16:53:27 +0000 (11:53 -0500)
commit630faf81b3e61bcc90dc6d8b497800657d2752a5
treed3cd6fc1af3908d7c40160ffa9b54474754cda70
parent03ad0d703df75c43f78bd72e16124b5b94a95188
cgroup: don't put ERR_PTR() into fc->root

the caller of ->get_tree() expects NULL left there on error...

Reported-by: Thibaut Sautereau <thibaut@sautereau.fr>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
kernel/cgroup/cgroup.c