COREDUMP_PIPE
VFS_WARN_ON_ONCE(cn->core_type != COREDUMP_PIPE);
case COREDUMP_PIPE:
case COREDUMP_PIPE:
cn->core_type = COREDUMP_PIPE;
case COREDUMP_PIPE: {
if (cn->core_type == COREDUMP_PIPE) {
if (cn->core_type != COREDUMP_PIPE)