On Wed, 20 Dec 2017 09:38:52 +0900, Prashant Bhole wrote: > > > 2) In case sim0 or bpf_bound_progs are fail to create, we need to add > > > checks before creating any file in them. > > > > What do you mean by "check before"? Checking if creation of each file > > fails or not, or something different? > > For example: > I will check if state->ddir is not NULL before creating files in it. > > if (state->ddir) { > debugfs_create_u32("id", 0400, state->ddir, &prog->aux->id); > debugfs_create_file("state", 0400, state->ddir, > &state->state, &nsim_bpf_string_fops); > debugfs_create_bool("loaded", 0400, state->ddir, &state->is_loaded); > }
Ah, I would just error out in case we can't create any of the sub-directories as well.