kernel/trace/bpf_trace.c

1291 	struct bpf_key *bkey;
1304 	bkey = kmalloc(sizeof(*bkey), GFP_KERNEL);
1305 	if (!bkey) {
1310 	bkey->key = key_ref_to_ptr(key_ref);
1311 	bkey->has_ref = true;
1313 	return bkey;
1339 	struct bpf_key *bkey;
1344 	bkey = kmalloc(sizeof(*bkey), GFP_ATOMIC);
1345 	if (!bkey)
1348 	bkey->key = (struct key *)(unsigned long)id;
1349 	bkey->has_ref = false;
1351 	return bkey;
1356  * @bkey: bpf_key structure
1358  * Decrement the reference count of the key inside *bkey*, if the pointer
1359  * is valid, and free *bkey*.
1361 __bpf_kfunc void bpf_key_put(struct bpf_key *bkey)
1363 	if (bkey->has_ref)
1364 		key_put(bkey->key);
1366 	kfree(bkey);