55 	unsigned int len;  member
73 static int _rng_recvmsg(struct crypto_rng *drng, struct msghdr *msg, size_t len,  in _rng_recvmsg()  argument
80 	if (len == 0)  in _rng_recvmsg()
82 	if (len > MAXSIZE)  in _rng_recvmsg()
83 		len = MAXSIZE;  in _rng_recvmsg()
89 	memset(result, 0, len);  in _rng_recvmsg()
97 	genlen = crypto_rng_generate(drng, addtl, addtl_len, result, len);  in _rng_recvmsg()
101 	err = memcpy_to_msg(msg, result, len);  in _rng_recvmsg()
102 	memzero_explicit(result, len);  in _rng_recvmsg()
104 	return err ? err : len;  in _rng_recvmsg()
107 static int rng_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,  in rng_recvmsg()  argument
114 	return _rng_recvmsg(ctx->drng, msg, len, NULL, 0);  in rng_recvmsg()
117 static int rng_test_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,  in rng_test_recvmsg()  argument
126 	ret = _rng_recvmsg(ctx->drng, msg, len, ctx->addtl, ctx->addtl_len);  in rng_test_recvmsg()
133 static int rng_test_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)  in rng_test_sendmsg()  argument
140 	if (len > MAXSIZE) {  in rng_test_sendmsg()
146 	ctx->addtl = kmalloc(len, GFP_KERNEL);  in rng_test_sendmsg()
152 	err = memcpy_from_msg(ctx->addtl, msg, len);  in rng_test_sendmsg()
157 	ctx->addtl_len = len;  in rng_test_sendmsg()
161 	return err ? err : len;  in rng_test_sendmsg()
236 	sock_kfree_s(sk, ctx, ctx->len);  in rng_sock_destruct()
245 	unsigned int len = sizeof(*ctx);  in rng_accept_parent()  local
247 	ctx = sock_kmalloc(sk, len, GFP_KERNEL);  in rng_accept_parent()
251 	ctx->len = len;  in rng_accept_parent()
286 					 unsigned int len)  in rng_setentropy()  argument
297 	if (len > MAXSIZE)  in rng_setentropy()
300 	if (len) {  in rng_setentropy()
301 		kentropy = memdup_sockptr(entropy, len);  in rng_setentropy()
306 	crypto_rng_alg(pctx->drng)->set_ent(pctx->drng, kentropy, len);  in rng_setentropy()