Re: [PATCH bpf-next v8 3/4] bpf: Create argument information for nullable arguments.

[Martin KaFai Lau <martin.lau@linux.dev>]

On 2/12/24 3:45 AM, Jiri Olsa wrote:
> On Thu, Feb 08, 2024 at 06:37:49PM -0800, thinker.li@gmail.com wrote:
> 
> SNIP
> 
>>   enum bpf_struct_ops_state {
>> @@ -1790,6 +1806,7 @@ int bpf_struct_ops_desc_init(struct bpf_struct_ops_desc *st_ops_desc,
>>   			     struct btf *btf,
>>   			     struct bpf_verifier_log *log);
>>   void bpf_map_struct_ops_info_fill(struct bpf_map_info *info, struct bpf_map *map);
>> +void bpf_struct_ops_desc_release(struct bpf_struct_ops_desc *st_ops_desc);
>>   #else
>>   #define register_bpf_struct_ops(st_ops, type) ({ (void *)(st_ops); 0; })
>>   static inline bool bpf_try_module_get(const void *data, struct module *owner)
>> @@ -1814,6 +1831,10 @@ static inline void bpf_map_struct_ops_info_fill(struct bpf_map_info *info, struc
>>   {
>>   }
>>   
>> +static inline void bpf_struct_ops_desc_release(struct bpf_struct_ops_desc *st_ops_desc, int len)
>> +{
>> +}
> 
> extra len argument?

Good catch. Fixed and applied. Also changed some inconsistent integer usage by 
s/s32/u32/ (e.g. s/s32/u32/ arg_btf_id)