Revert to v3.8 (no RT, no stable)

14 files changed, 40 insertions, 53 deletions

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 7d4a8d2..533de95 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -388,9 +388,9 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<default>",
-		sizeof(rblkcipher.geniv));
+	snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
+	snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+		 alg->cra_ablkcipher.geniv ?: "<default>");
 
 	rblkcipher.blocksize = alg->cra_blocksize;
 	rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
@@ -469,9 +469,9 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<built-in>",
-		sizeof(rblkcipher.geniv));
+	snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
+	snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+		 alg->cra_ablkcipher.geniv ?: "<built-in>");
 
 	rblkcipher.blocksize = alg->cra_blocksize;
 	rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
diff --git a/crypto/aead.c b/crypto/aead.c
index 27bc487..0b8121e 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -117,8 +117,9 @@ static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 	struct crypto_report_aead raead;
 	struct aead_alg *aead = &alg->cra_aead;
 
-	strncpy(raead.type, "aead", sizeof(raead.type));
-	strncpy(raead.geniv, aead->geniv ?: "<built-in>", sizeof(raead.geniv));
+	snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
+	snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+		 aead->geniv ?: "<built-in>");
 
 	raead.blocksize = alg->cra_blocksize;
 	raead.maxauthsize = aead->maxauthsize;
@@ -202,8 +203,8 @@ static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 	struct crypto_report_aead raead;
 	struct aead_alg *aead = &alg->cra_aead;
 
-	strncpy(raead.type, "nivaead", sizeof(raead.type));
-	strncpy(raead.geniv, aead->geniv, sizeof(raead.geniv));
+	snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
+	snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
 
 	raead.blocksize = alg->cra_blocksize;
 	raead.maxauthsize = aead->maxauthsize;
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 793a27f..3887856 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -404,7 +404,7 @@ static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_hash rhash;
 
-	strncpy(rhash.type, "ahash", sizeof(rhash.type));
+	snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
 
 	rhash.blocksize = alg->cra_blocksize;
 	rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 3574066..c3b9bfe 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -683,13 +683,13 @@ EXPORT_SYMBOL_GPL(crypto_spawn_tfm2);
 
 int crypto_register_notifier(struct notifier_block *nb)
 {
-	return srcu_notifier_chain_register(&crypto_chain, nb);
+	return blocking_notifier_chain_register(&crypto_chain, nb);
 }
 EXPORT_SYMBOL_GPL(crypto_register_notifier);
 
 int crypto_unregister_notifier(struct notifier_block *nb)
 {
-	return srcu_notifier_chain_unregister(&crypto_chain, nb);
+	return blocking_notifier_chain_unregister(&crypto_chain, nb);
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_notifier);
 
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 0262210..ef5356c 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -161,8 +161,6 @@ static int hash_recvmsg(struct kiocb *unused, struct socket *sock,
 	else if (len < ds)
 		msg->msg_flags |= MSG_TRUNC;
 
-	msg->msg_namelen = 0;
-
 	lock_sock(sk);
 	if (ctx->more) {
 		ctx->more = 0;
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index a1c4f0a..6a6dfc0 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -432,7 +432,6 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
 	long copied = 0;
 
 	lock_sock(sk);
-	msg->msg_namelen = 0;
 	for (iov = msg->msg_iov, iovlen = msg->msg_iovlen; iovlen > 0;
 	     iovlen--, iov++) {
 		unsigned long seglen = iov->iov_len;
diff --git a/crypto/api.c b/crypto/api.c
index 8ff072c..033a714 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -31,7 +31,7 @@ EXPORT_SYMBOL_GPL(crypto_alg_list);
 DECLARE_RWSEM(crypto_alg_sem);
 EXPORT_SYMBOL_GPL(crypto_alg_sem);
 
-SRCU_NOTIFIER_HEAD(crypto_chain);
+BLOCKING_NOTIFIER_HEAD(crypto_chain);
 EXPORT_SYMBOL_GPL(crypto_chain);
 
 static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
@@ -237,10 +237,10 @@ int crypto_probing_notify(unsigned long val, void *v)
 {
 	int ok;
 
-	ok = srcu_notifier_call_chain(&crypto_chain, val, v);
+	ok = blocking_notifier_call_chain(&crypto_chain, val, v);
 	if (ok == NOTIFY_DONE) {
 		request_module("cryptomgr");
-		ok = srcu_notifier_call_chain(&crypto_chain, val, v);
+		ok = blocking_notifier_call_chain(&crypto_chain, val, v);
 	}
 
 	return ok;
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index c44e014..a8d85a1 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -499,9 +499,9 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "<default>",
-		sizeof(rblkcipher.geniv));
+	snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
+	snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+		 alg->cra_blkcipher.geniv ?: "<default>");
 
 	rblkcipher.blocksize = alg->cra_blocksize;
 	rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index f6d9baf..35d700a 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -75,7 +75,7 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_cipher rcipher;
 
-	strncpy(rcipher.type, "cipher", sizeof(rcipher.type));
+	snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
 
 	rcipher.blocksize = alg->cra_blocksize;
 	rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
@@ -94,7 +94,8 @@ static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_comp rcomp;
 
-	strncpy(rcomp.type, "compression", sizeof(rcomp.type));
+	snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
+
 	if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
 		    sizeof(struct crypto_report_comp), &rcomp))
 		goto nla_put_failure;
@@ -107,14 +108,12 @@ nla_put_failure:
 static int crypto_report_one(struct crypto_alg *alg,
 			     struct crypto_user_alg *ualg, struct sk_buff *skb)
 {
-	strncpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
-	strncpy(ualg->cru_driver_name, alg->cra_driver_name,
-		sizeof(ualg->cru_driver_name));
-	strncpy(ualg->cru_module_name, module_name(alg->cra_module),
-		sizeof(ualg->cru_module_name));
-
-	ualg->cru_type = 0;
-	ualg->cru_mask = 0;
+	memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name));
+	memcpy(&ualg->cru_driver_name, &alg->cra_driver_name,
+	       sizeof(ualg->cru_driver_name));
+	memcpy(&ualg->cru_module_name, module_name(alg->cra_module),
+	       CRYPTO_MAX_ALG_NAME);
+
 	ualg->cru_flags = alg->cra_flags;
 	ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
 
@@ -123,7 +122,8 @@ static int crypto_report_one(struct crypto_alg *alg,
 	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
 		struct crypto_report_larval rl;
 
-		strncpy(rl.type, "larval", sizeof(rl.type));
+		snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
+
 		if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
 			    sizeof(struct crypto_report_larval), &rl))
 			goto nla_put_failure;
diff --git a/crypto/gcm.c b/crypto/gcm.c
index b97b186..1a25263 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -44,7 +44,6 @@ struct crypto_rfc4543_ctx {
 
 struct crypto_rfc4543_req_ctx {
 	u8 auth_tag[16];
-	u8 assocbuf[32];
 	struct scatterlist cipher[1];
 	struct scatterlist payload[2];
 	struct scatterlist assoc[2];
@@ -1143,19 +1142,9 @@ static struct aead_request *crypto_rfc4543_crypt(struct aead_request *req,
 	scatterwalk_crypto_chain(payload, dst, vdst == req->iv + 8, 2);
 	assoclen += 8 + req->cryptlen - (enc ? 0 : authsize);
 
-	if (req->assoc->length == req->assoclen) {
-		sg_init_table(assoc, 2);
-		sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
-			    req->assoc->offset);
-	} else {
-		BUG_ON(req->assoclen > sizeof(rctx->assocbuf));
-
-		scatterwalk_map_and_copy(rctx->assocbuf, req->assoc, 0,
-					 req->assoclen, 0);
-
-		sg_init_table(assoc, 2);
-		sg_set_buf(assoc, rctx->assocbuf, req->assoclen);
-	}
+	sg_init_table(assoc, 2);
+	sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
+		    req->assoc->offset);
 	scatterwalk_crypto_chain(assoc, payload, 0, 2);
 
 	aead_request_set_tfm(subreq, ctx->child);
diff --git a/crypto/internal.h b/crypto/internal.h
index 8cbe3dc..9ebedae 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -48,7 +48,7 @@ struct crypto_larval {
 
 extern struct list_head crypto_alg_list;
 extern struct rw_semaphore crypto_alg_sem;
-extern struct srcu_notifier_head crypto_chain;
+extern struct blocking_notifier_head crypto_chain;
 
 #ifdef CONFIG_PROC_FS
 void __init crypto_init_proc(void);
@@ -136,7 +136,7 @@ static inline int crypto_is_moribund(struct crypto_alg *alg)
 
 static inline void crypto_notify(unsigned long val, void *v)
 {
-	srcu_notifier_call_chain(&crypto_chain, val, v);
+	blocking_notifier_call_chain(&crypto_chain, val, v);
 }
 
 #endif	/* _CRYPTO_INTERNAL_H */
diff --git a/crypto/pcompress.c b/crypto/pcompress.c
index 7140fe7..04e083f 100644
--- a/crypto/pcompress.c
+++ b/crypto/pcompress.c
@@ -53,7 +53,8 @@ static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_comp rpcomp;
 
-	strncpy(rpcomp.type, "pcomp", sizeof(rpcomp.type));
+	snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
+
 	if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
 		    sizeof(struct crypto_report_comp), &rpcomp))
 		goto nla_put_failure;
diff --git a/crypto/rng.c b/crypto/rng.c
index e0a25c2..f3b7894 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -65,7 +65,7 @@ static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_rng rrng;
 
-	strncpy(rrng.type, "rng", sizeof(rrng.type));
+	snprintf(rrng.type, CRYPTO_MAX_ALG_NAME, "%s", "rng");
 
 	rrng.seedsize = alg->cra_rng.seedsize;
 
diff --git a/crypto/shash.c b/crypto/shash.c
index 929058a..f426330f 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -530,8 +530,7 @@ static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 	struct crypto_report_hash rhash;
 	struct shash_alg *salg = __crypto_shash_alg(alg);
 
-	strncpy(rhash.type, "shash", sizeof(rhash.type));
-
+	snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "shash");
 	rhash.blocksize = alg->cra_blocksize;
 	rhash.digestsize = salg->digestsize;