7702 	} cands[];  member
7745 	if (btf_is_module(cc->cands[0].btf)) {  in btf_get_ptr_to_btf_id()
7751 	kern_type_id = cc->cands[0].id;  in btf_get_ptr_to_btf_id()
9149 static void bpf_free_cands(struct bpf_cand_cache *cands)  in bpf_free_cands()  argument
9151 	if (!cands->cnt)  in bpf_free_cands()
9154 	kfree(cands);  in bpf_free_cands()
9157 static void bpf_free_cands_from_cache(struct bpf_cand_cache *cands)  in bpf_free_cands_from_cache()  argument
9159 	kfree(cands->name);  in bpf_free_cands_from_cache()
9160 	kfree(cands);  in bpf_free_cands_from_cache()
9182 			bpf_log(log, "%d", cc->cands[j].id);  in __print_cand_cache()
9201 static u32 hash_cands(struct bpf_cand_cache *cands)  in hash_cands()  argument
9203 	return jhash(cands->name, cands->name_len, 0);  in hash_cands()
9206 static struct bpf_cand_cache *check_cand_cache(struct bpf_cand_cache *cands,  in check_cand_cache()  argument
9210 	struct bpf_cand_cache *cc = cache[hash_cands(cands) % cache_size];  in check_cand_cache()
9212 	if (cc && cc->name_len == cands->name_len &&  in check_cand_cache()
9213 	    !strncmp(cc->name, cands->name, cands->name_len))  in check_cand_cache()
9220 	return offsetof(struct bpf_cand_cache, cands[cnt]);  in sizeof_cands()
9223 static struct bpf_cand_cache *populate_cand_cache(struct bpf_cand_cache *cands,  in populate_cand_cache()  argument
9227 	struct bpf_cand_cache **cc = &cache[hash_cands(cands) % cache_size], *new_cands;  in populate_cand_cache()
9233 	new_cands = kmemdup(cands, sizeof_cands(cands->cnt), GFP_KERNEL_ACCOUNT);  in populate_cand_cache()
9235 		bpf_free_cands(cands);  in populate_cand_cache()
9241 	new_cands->name = kmemdup_nul(cands->name, cands->name_len, GFP_KERNEL_ACCOUNT);  in populate_cand_cache()
9242 	bpf_free_cands(cands);  in populate_cand_cache()
9275 			if (cc->cands[j].btf == btf) {  in __purge_cand_cache()
9293 bpf_core_add_cands(struct bpf_cand_cache *cands, const struct btf *targ_btf,  in bpf_core_add_cands()  argument
9305 		if (btf_kind(t) != cands->kind)  in bpf_core_add_cands()
9317 		if (strncmp(cands->name, targ_name, cands->name_len) != 0)  in bpf_core_add_cands()
9321 		if (targ_essent_len != cands->name_len)  in bpf_core_add_cands()
9325 		new_cands = kmalloc(sizeof_cands(cands->cnt + 1), GFP_KERNEL_ACCOUNT);  in bpf_core_add_cands()
9327 			bpf_free_cands(cands);  in bpf_core_add_cands()
9331 		memcpy(new_cands, cands, sizeof_cands(cands->cnt));  in bpf_core_add_cands()
9332 		bpf_free_cands(cands);  in bpf_core_add_cands()
9333 		cands = new_cands;  in bpf_core_add_cands()
9334 		cands->cands[cands->cnt].btf = targ_btf;  in bpf_core_add_cands()
9335 		cands->cands[cands->cnt].id = i;  in bpf_core_add_cands()
9336 		cands->cnt++;  in bpf_core_add_cands()
9338 	return cands;  in bpf_core_add_cands()
9344 	struct bpf_cand_cache *cands, *cc, local_cand = {};  in bpf_core_find_cands()  local
9368 	cands = &local_cand;  in bpf_core_find_cands()
9369 	cands->name = name;  in bpf_core_find_cands()
9370 	cands->kind = btf_kind(local_type);  in bpf_core_find_cands()
9371 	cands->name_len = local_essent_len;  in bpf_core_find_cands()
9373 	cc = check_cand_cache(cands, vmlinux_cand_cache, VMLINUX_CAND_CACHE_SIZE);  in bpf_core_find_cands()
9382 	cands = bpf_core_add_cands(cands, main_btf, btf_named_start_id(main_btf, true));  in bpf_core_find_cands()
9383 	if (IS_ERR(cands))  in bpf_core_find_cands()
9384 		return ERR_CAST(cands);  in bpf_core_find_cands()
9389 	cc = populate_cand_cache(cands, vmlinux_cand_cache, VMLINUX_CAND_CACHE_SIZE);  in bpf_core_find_cands()
9399 	cc = check_cand_cache(cands, module_cand_cache, MODULE_CAND_CACHE_SIZE);  in bpf_core_find_cands()
9414 		cands = bpf_core_add_cands(cands, mod_btf, btf_named_start_id(mod_btf, true));  in bpf_core_find_cands()
9416 		if (IS_ERR(cands))  in bpf_core_find_cands()
9417 			return ERR_CAST(cands);  in bpf_core_find_cands()
9426 	return populate_cand_cache(cands, module_cand_cache, MODULE_CAND_CACHE_SIZE);  in bpf_core_find_cands()
9433 	struct bpf_core_cand_list cands = {};  in bpf_core_apply()  local
9467 			cands.cands = kzalloc_objs(*cands.cands, cc->cnt,  in bpf_core_apply()
9469 			if (!cands.cands) {  in bpf_core_apply()
9477 				btf_kind_str[cc->kind], cc->name, cc->cands[i].id);  in bpf_core_apply()
9478 			cands.cands[i].btf = cc->cands[i].btf;  in bpf_core_apply()
9479 			cands.cands[i].id = cc->cands[i].id;  in bpf_core_apply()
9481 		cands.len = cc->cnt;  in bpf_core_apply()
9489 	err = bpf_core_calc_relo_insn((void *)ctx->log, relo, relo_idx, ctx->btf, &cands, specs,  in bpf_core_apply()
9500 		kfree(cands.cands);  in bpf_core_apply()