cgroup: fix alloc_cgroup_ns() error handling in copy_cgroup_ns()
authorTejun Heo <tj@kernel.org>
Thu, 18 Feb 2016 16:44:24 +0000 (11:44 -0500)
committerTejun Heo <tj@kernel.org>
Thu, 18 Feb 2016 16:44:24 +0000 (11:44 -0500)
commitd22025570e2ebfc68819b35c5d457e53d9337217
tree49dcdad014b56c6f87a6cc74c528dc7754720d1f
parent1c53753e0df1ae4d21661053459e7c024a43f1d3
cgroup: fix alloc_cgroup_ns() error handling in copy_cgroup_ns()

alloc_cgroup_ns() returns an ERR_PTR value on error but
copy_cgroup_ns() was checking for NULL for error.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
kernel/cgroup.c