[PATCH AUTOSEL for 4.15 45/78] bpf/cgroup: fix a verification error for a CGROUP_DEVICE type prog

From: Yonghong Song [ Upstream commit 06ef0ccb5a36e1feba9b413ff59a04ecc4407c1c ] The tools/testing/selftests/bpf test program test_dev_cgroup fails with the following error when compiled with llvm 6.0. (I did not try with earlier versions.) libbpf: load bpf program failed:

[PATCH AUTOSEL for 4.15 45/78] bpf/cgroup: fix a verification error for a CGROUP_DEVICE type prog

From: Yonghong Song [ Upstream commit 06ef0ccb5a36e1feba9b413ff59a04ecc4407c1c ] The tools/testing/selftests/bpf test program test_dev_cgroup fails with the following error when compiled with llvm 6.0. (I did not try with earlier versions.) libbpf: load bpf program failed: Permission denied