Warnings before patch: files: ['include/linux/bpf-cgroup.h', 'net/ipv4/af_inet.c', 'kernel/bpf/cgroup.c'] Warning: kernel/bpf/cgroup.c:506 No description found for return value of 'cgroup_bpf_inherit' Warning: kernel/bpf/cgroup.c:789 No description found for return value of '__cgroup_bpf_attach' Warning: kernel/bpf/cgroup.c:978 No description found for return value of '__cgroup_bpf_replace' Warning: kernel/bpf/cgroup.c:1137 No description found for return value of '__cgroup_bpf_detach' Warning: kernel/bpf/cgroup.c:1563 No description found for return value of '__cgroup_bpf_run_filter_skb' Warning: kernel/bpf/cgroup.c:1640 No description found for return value of '__cgroup_bpf_run_filter_sk' Warning: kernel/bpf/cgroup.c:1672 No description found for return value of '__cgroup_bpf_run_filter_sock_addr' Warning: kernel/bpf/cgroup.c:1727 No description found for return value of '__cgroup_bpf_run_filter_sock_ops' Warning: kernel/bpf/cgroup.c:1896 No description found for return value of '__cgroup_bpf_run_filter_sysctl' Current warnings: files: ['include/linux/bpf-cgroup.h', 'net/ipv4/af_inet.c', 'kernel/bpf/cgroup.c'] Warning: kernel/bpf/cgroup.c:506 No description found for return value of 'cgroup_bpf_inherit' Warning: kernel/bpf/cgroup.c:789 No description found for return value of '__cgroup_bpf_attach' Warning: kernel/bpf/cgroup.c:978 No description found for return value of '__cgroup_bpf_replace' Warning: kernel/bpf/cgroup.c:1137 No description found for return value of '__cgroup_bpf_detach' Warning: kernel/bpf/cgroup.c:1563 No description found for return value of '__cgroup_bpf_run_filter_skb' Warning: kernel/bpf/cgroup.c:1640 No description found for return value of '__cgroup_bpf_run_filter_sk' Warning: kernel/bpf/cgroup.c:1672 No description found for return value of '__cgroup_bpf_run_filter_sock_addr' Warning: kernel/bpf/cgroup.c:1727 No description found for return value of '__cgroup_bpf_run_filter_sock_ops' Warning: kernel/bpf/cgroup.c:1896 No description found for return value of '__cgroup_bpf_run_filter_sysctl' Warnings before: 9 after: 9