diff --git a/crypto/Kconfig b/crypto/Kconfig
index 1cd497d7a15aa2cdbd96be5139ca64be8135e528..e573077f1672e06bf159c9a242564c5436fc0a75 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -101,13 +101,13 @@ config CRYPTO_MANAGER2
 	select CRYPTO_BLKCIPHER2
 	select CRYPTO_PCOMP2
 
-config CRYPTO_MANAGER_TESTS
-	bool "Run algolithms' self-tests"
+config CRYPTO_MANAGER_DISABLE_TESTS
+	bool "Disable run-time self tests"
 	default y
 	depends on CRYPTO_MANAGER2
 	help
-	  Run cryptomanager's tests for the new crypto algorithms being
-	  registered.
+	  Disable run-time self tests that normally take place at
+	  algorithm registration.
 
 config CRYPTO_GF128MUL
 	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
diff --git a/crypto/ahash.c b/crypto/ahash.c
index b8c59b889c6ea579e7a6bacd7241bbbc86cbe44c..f669822a7a443c81a04c8fb61d8d382a64546542 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -47,8 +47,11 @@ static int hash_walk_next(struct crypto_hash_walk *walk)
 	walk->data = crypto_kmap(walk->pg, 0);
 	walk->data += offset;
 
-	if (offset & alignmask)
-		nbytes = alignmask + 1 - (offset & alignmask);
+	if (offset & alignmask) {
+		unsigned int unaligned = alignmask + 1 - (offset & alignmask);
+		if (nbytes > unaligned)
+			nbytes = unaligned;
+	}
 
 	walk->entrylen -= nbytes;
 	return nbytes;
diff --git a/crypto/algboss.c b/crypto/algboss.c
index 40bd391f34d90fc0b0619809beb0f09759b307f5..791d194958fa18ac0fb8006e5d565f789c1e4f92 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -206,13 +206,16 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)
 	return NOTIFY_OK;
 }
 
-#ifdef CONFIG_CRYPTO_MANAGER_TESTS
 static int cryptomgr_test(void *data)
 {
 	struct crypto_test_param *param = data;
 	u32 type = param->type;
 	int err = 0;
 
+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
+	goto skiptest;
+#endif
+
 	if (type & CRYPTO_ALG_TESTED)
 		goto skiptest;
 
@@ -267,7 +270,6 @@ static int cryptomgr_schedule_test(struct crypto_alg *alg)
 err:
 	return NOTIFY_OK;
 }
-#endif /* CONFIG_CRYPTO_MANAGER_TESTS */
 
 static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
 			    void *data)
@@ -275,10 +277,8 @@ static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
 	switch (msg) {
 	case CRYPTO_MSG_ALG_REQUEST:
 		return cryptomgr_schedule_probe(data);
-#ifdef CONFIG_CRYPTO_MANAGER_TESTS
 	case CRYPTO_MSG_ALG_REGISTER:
 		return cryptomgr_schedule_test(data);
-#endif
 	}
 
 	return NOTIFY_DONE;
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index abd980c729ebce5a57e833a0937bf233dc8937cc..fa8c8f78c8d4c1838d121e6131b05162858b2802 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -23,7 +23,7 @@
 
 #include "internal.h"
 
-#ifndef CONFIG_CRYPTO_MANAGER_TESTS
+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
 
 /* a perfect nop */
 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
@@ -2542,6 +2542,6 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 	return -EINVAL;
 }
 
-#endif /* CONFIG_CRYPTO_MANAGER_TESTS */
+#endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
 
 EXPORT_SYMBOL_GPL(alg_test);
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 1acdb25095112ef538072e8d153a889476d1359f..a3f5e381e74647268517a22c6f65d7c641277f3d 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -387,7 +387,7 @@ static int n2rng_init_control(struct n2rng *np)
 
 static int n2rng_data_read(struct hwrng *rng, u32 *data)
 {
-	struct n2rng *np = rng->priv;
+	struct n2rng *np = (struct n2rng *) rng->priv;
 	unsigned long ra = __pa(&np->test_data);
 	int len;