diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/af_alg.c | 19 | ||||
-rw-r--r-- | crypto/algif_aead.c | 18 | ||||
-rw-r--r-- | crypto/algif_skcipher.c | 16 | ||||
-rw-r--r-- | crypto/hmac.c | 6 | ||||
-rw-r--r-- | crypto/mcryptd.c | 23 | ||||
-rw-r--r-- | crypto/rsa_helper.c | 2 | ||||
-rw-r--r-- | crypto/salsa20_generic.c | 7 | ||||
-rw-r--r-- | crypto/shash.c | 5 | ||||
-rw-r--r-- | crypto/skcipher.c | 10 |
9 files changed, 53 insertions, 53 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 358749c38894..444a387df219 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -672,14 +672,15 @@ void af_alg_free_areq_sgls(struct af_alg_async_req *areq) } tsgl = areq->tsgl; - for_each_sg(tsgl, sg, areq->tsgl_entries, i) { - if (!sg_page(sg)) - continue; - put_page(sg_page(sg)); - } + if (tsgl) { + for_each_sg(tsgl, sg, areq->tsgl_entries, i) { + if (!sg_page(sg)) + continue; + put_page(sg_page(sg)); + } - if (areq->tsgl && areq->tsgl_entries) sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl)); + } } EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls); @@ -1137,12 +1138,6 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags, if (!af_alg_readable(sk)) break; - if (!ctx->used) { - err = af_alg_wait_for_data(sk, flags); - if (err) - return err; - } - seglen = min_t(size_t, (maxsize - len), msg_data_left(msg)); diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 805f485ddf1b..ddcc45f77edd 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -111,6 +111,12 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t usedpages = 0; /* [in] RX bufs to be used from user */ size_t processed = 0; /* [in] TX bufs to be consumed */ + if (!ctx->used) { + err = af_alg_wait_for_data(sk, flags); + if (err) + return err; + } + /* * Data length provided by caller via sendmsg/sendpage that has not * yet been processed. @@ -285,6 +291,10 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, /* AIO operation */ sock_hold(sk); areq->iocb = msg->msg_iocb; + + /* Remember output size that will be generated. */ + areq->outlen = outlen; + aead_request_set_callback(&areq->cra_u.aead_req, CRYPTO_TFM_REQ_MAY_BACKLOG, af_alg_async_cb, areq); @@ -292,12 +302,8 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, crypto_aead_decrypt(&areq->cra_u.aead_req); /* AIO operation in progress */ - if (err == -EINPROGRESS || err == -EBUSY) { - /* Remember output size that will be generated. */ - areq->outlen = outlen; - + if (err == -EINPROGRESS || err == -EBUSY) return -EIOCBQUEUED; - } sock_put(sk); } else { @@ -503,6 +509,7 @@ static void aead_release(void *private) struct aead_tfm *tfm = private; crypto_free_aead(tfm->aead); + crypto_put_default_null_skcipher2(); kfree(tfm); } @@ -535,7 +542,6 @@ static void aead_sock_destruct(struct sock *sk) unsigned int ivlen = crypto_aead_ivsize(tfm); af_alg_pull_tsgl(sk, ctx->used, NULL, 0); - crypto_put_default_null_skcipher2(); sock_kzfree_s(sk, ctx->iv, ivlen); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 30cff827dd8f..baef9bfccdda 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -72,6 +72,12 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, int err = 0; size_t len = 0; + if (!ctx->used) { + err = af_alg_wait_for_data(sk, flags); + if (err) + return err; + } + /* Allocate cipher request for current operation. */ areq = af_alg_alloc_areq(sk, sizeof(struct af_alg_async_req) + crypto_skcipher_reqsize(tfm)); @@ -119,6 +125,10 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, /* AIO operation */ sock_hold(sk); areq->iocb = msg->msg_iocb; + + /* Remember output size that will be generated. */ + areq->outlen = len; + skcipher_request_set_callback(&areq->cra_u.skcipher_req, CRYPTO_TFM_REQ_MAY_SLEEP, af_alg_async_cb, areq); @@ -127,12 +137,8 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, crypto_skcipher_decrypt(&areq->cra_u.skcipher_req); /* AIO operation in progress */ - if (err == -EINPROGRESS || err == -EBUSY) { - /* Remember output size that will be generated. */ - areq->outlen = len; - + if (err == -EINPROGRESS || err == -EBUSY) return -EIOCBQUEUED; - } sock_put(sk); } else { diff --git a/crypto/hmac.c b/crypto/hmac.c index 92871dc2a63e..e74730224f0a 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -195,11 +195,15 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) salg = shash_attr_alg(tb[1], 0, 0); if (IS_ERR(salg)) return PTR_ERR(salg); + alg = &salg->base; + /* The underlying hash algorithm must be unkeyed */ err = -EINVAL; + if (crypto_shash_alg_has_setkey(salg)) + goto out_put_alg; + ds = salg->digestsize; ss = salg->statesize; - alg = &salg->base; if (ds > alg->cra_blocksize || ss < alg->cra_blocksize) goto out_put_alg; diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c index 4e6472658852..eca04d3729b3 100644 --- a/crypto/mcryptd.c +++ b/crypto/mcryptd.c @@ -81,6 +81,7 @@ static int mcryptd_init_queue(struct mcryptd_queue *queue, pr_debug("cpu_queue #%d %p\n", cpu, queue->cpu_queue); crypto_init_queue(&cpu_queue->queue, max_cpu_qlen); INIT_WORK(&cpu_queue->work, mcryptd_queue_worker); + spin_lock_init(&cpu_queue->q_lock); } return 0; } @@ -104,15 +105,16 @@ static int mcryptd_enqueue_request(struct mcryptd_queue *queue, int cpu, err; struct mcryptd_cpu_queue *cpu_queue; - cpu = get_cpu(); - cpu_queue = this_cpu_ptr(queue->cpu_queue); - rctx->tag.cpu = cpu; + cpu_queue = raw_cpu_ptr(queue->cpu_queue); + spin_lock(&cpu_queue->q_lock); + cpu = smp_processor_id(); + rctx->tag.cpu = smp_processor_id(); err = crypto_enqueue_request(&cpu_queue->queue, request); pr_debug("enqueue request: cpu %d cpu_queue %p request %p\n", cpu, cpu_queue, request); + spin_unlock(&cpu_queue->q_lock); queue_work_on(cpu, kcrypto_wq, &cpu_queue->work); - put_cpu(); return err; } @@ -161,16 +163,11 @@ static void mcryptd_queue_worker(struct work_struct *work) cpu_queue = container_of(work, struct mcryptd_cpu_queue, work); i = 0; while (i < MCRYPTD_BATCH || single_task_running()) { - /* - * preempt_disable/enable is used to prevent - * being preempted by mcryptd_enqueue_request() - */ - local_bh_disable(); - preempt_disable(); + + spin_lock_bh(&cpu_queue->q_lock); backlog = crypto_get_backlog(&cpu_queue->queue); req = crypto_dequeue_request(&cpu_queue->queue); - preempt_enable(); - local_bh_enable(); + spin_unlock_bh(&cpu_queue->q_lock); if (!req) { mcryptd_opportunistic_flush(); @@ -185,7 +182,7 @@ static void mcryptd_queue_worker(struct work_struct *work) ++i; } if (cpu_queue->queue.qlen) - queue_work(kcrypto_wq, &cpu_queue->work); + queue_work_on(smp_processor_id(), kcrypto_wq, &cpu_queue->work); } void mcryptd_flusher(struct work_struct *__work) diff --git a/crypto/rsa_helper.c b/crypto/rsa_helper.c index 0b66dc824606..cad395d70d78 100644 --- a/crypto/rsa_helper.c +++ b/crypto/rsa_helper.c @@ -30,7 +30,7 @@ int rsa_get_n(void *context, size_t hdrlen, unsigned char tag, return -EINVAL; if (fips_enabled) { - while (!*ptr && n_sz) { + while (n_sz && !*ptr) { ptr++; n_sz--; } diff --git a/crypto/salsa20_generic.c b/crypto/salsa20_generic.c index f550b5d94630..d7da0eea5622 100644 --- a/crypto/salsa20_generic.c +++ b/crypto/salsa20_generic.c @@ -188,13 +188,6 @@ static int encrypt(struct blkcipher_desc *desc, salsa20_ivsetup(ctx, walk.iv); - if (likely(walk.nbytes == nbytes)) - { - salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, - walk.src.virt.addr, nbytes); - return blkcipher_walk_done(desc, &walk, 0); - } - while (walk.nbytes >= 64) { salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, walk.src.virt.addr, diff --git a/crypto/shash.c b/crypto/shash.c index 325a14da5827..e849d3ee2e27 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -25,11 +25,12 @@ static const struct crypto_type crypto_shash_type; -static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) { return -ENOSYS; } +EXPORT_SYMBOL_GPL(shash_no_setkey); static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, unsigned int keylen) diff --git a/crypto/skcipher.c b/crypto/skcipher.c index 778e0ff42bfa..11af5fd6a443 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -449,6 +449,8 @@ static int skcipher_walk_skcipher(struct skcipher_walk *walk, walk->total = req->cryptlen; walk->nbytes = 0; + walk->iv = req->iv; + walk->oiv = req->iv; if (unlikely(!walk->total)) return 0; @@ -456,9 +458,6 @@ static int skcipher_walk_skcipher(struct skcipher_walk *walk, scatterwalk_start(&walk->in, req->src); scatterwalk_start(&walk->out, req->dst); - walk->iv = req->iv; - walk->oiv = req->iv; - walk->flags &= ~SKCIPHER_WALK_SLEEP; walk->flags |= req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? SKCIPHER_WALK_SLEEP : 0; @@ -510,6 +509,8 @@ static int skcipher_walk_aead_common(struct skcipher_walk *walk, int err; walk->nbytes = 0; + walk->iv = req->iv; + walk->oiv = req->iv; if (unlikely(!walk->total)) return 0; @@ -525,9 +526,6 @@ static int skcipher_walk_aead_common(struct skcipher_walk *walk, scatterwalk_done(&walk->in, 0, walk->total); scatterwalk_done(&walk->out, 0, walk->total); - walk->iv = req->iv; - walk->oiv = req->iv; - if (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) walk->flags |= SKCIPHER_WALK_SLEEP; else |