On 5/27/2025 4:45 PM, Alexis Lothoré wrote:
[...]
+ /* We can not know for sure about exact alignment needs for
+ * struct passed on stack, so deny those
+ */
+ if (m->arg_flags[i] & BTF_FMODEL_STRUCT_ARG)
+ return -EOPNOTSUPP;
leave the error code as is, namely, return -ENOTSUPP?
Actually this change follows a complaint from checkpatch:
"WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP"
Seems we can just ignore this warning, as ENOTSUPP is already used
throughout bpf, and the actual value -524 is well recognized.
[...]
