This push fixes the following problems:

- A long-standing bug in crypto_engine.
 - A buggy but harmless check in the sun8i-ss driver.
 - A regression in the CRYPTO_USER interface.
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Merge tag 'v6.4-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fixes from Herbert Xu:

 - A long-standing bug in crypto_engine

 - A buggy but harmless check in the sun8i-ss driver

 - A regression in the CRYPTO_USER interface

* tag 'v6.4-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: api - Fix CRYPTO_USER checks for report function
  crypto: engine - fix crypto_queue backlog handling
  crypto: sun8i-ss - Fix a test in sun8i_ss_setup_ivs()

crypto/acompress.c

@@ -125,7 +125,7 @@ static const struct crypto_type crypto_acomp_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_acomp_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_acomp_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/aead.c

@@ -242,7 +242,7 @@ static const struct crypto_type crypto_aead_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_aead_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_aead_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/ahash.c

@@ -509,7 +509,7 @@ static const struct crypto_type crypto_ahash_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_ahash_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_ahash_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/akcipher.c

@@ -98,7 +98,7 @@ static const struct crypto_type crypto_akcipher_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_akcipher_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_akcipher_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/algapi.c

@@ -961,6 +961,9 @@ EXPORT_SYMBOL_GPL(crypto_enqueue_request);
 void crypto_enqueue_request_head(struct crypto_queue *queue,
 				 struct crypto_async_request *request)
 {
+	if (unlikely(queue->qlen >= queue->max_qlen))
+		queue->backlog = queue->backlog->prev;
+
 	queue->qlen++;
 	list_add(&request->list, &queue->list);
 }

crypto/crypto_engine.c

@@ -129,9 +129,6 @@ start_request:
 	if (!engine->retry_support)
 		engine->cur_req = async_req;
 
-	if (backlog)
-		crypto_request_complete(backlog, -EINPROGRESS);
-
 	if (engine->busy)
 		was_busy = true;
 	else
@@ -217,6 +214,9 @@ req_err_2:
 	crypto_request_complete(async_req, ret);
 
 retry:
+	if (backlog)
+		crypto_request_complete(backlog, -EINPROGRESS);
+
 	/* If retry mechanism is supported, send new requests to engine */
 	if (engine->retry_support) {
 		spin_lock_irqsave(&engine->queue_lock, flags);

crypto/kpp.c

@@ -96,7 +96,7 @@ static const struct crypto_type crypto_kpp_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_kpp_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_kpp_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/rng.c

@@ -118,7 +118,7 @@ static const struct crypto_type crypto_rng_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_rng_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_rng_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/scompress.c

@@ -240,7 +240,7 @@ static const struct crypto_type crypto_scomp_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_scomp_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_scomp_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/shash.c

@@ -548,7 +548,7 @@ static const struct crypto_type crypto_shash_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_shash_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_shash_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

crypto/skcipher.c

@@ -776,7 +776,7 @@ static const struct crypto_type crypto_skcipher_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_skcipher_show,
 #endif
-#ifdef CONFIG_CRYPTO_USER
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
 	.report = crypto_skcipher_report,
 #endif
 #ifdef CONFIG_CRYPTO_STATS

drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c

@@ -151,7 +151,7 @@ static int sun8i_ss_setup_ivs(struct skcipher_request *areq)
 		}
 		rctx->p_iv[i] = a;
 		/* we need to setup all others IVs only in the decrypt way */
-		if (rctx->op_dir & SS_ENCRYPTION)
+		if (rctx->op_dir == SS_ENCRYPTION)
 			return 0;
 		todo = min(len, sg_dma_len(sg));
 		len -= todo;