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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 13:33:26 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 13:33:26 -0800 |
commit | e3aa91a7cb21a595169b20c64f63ca39a91a0c43 (patch) | |
tree | 6a92a2e595629949a45336c770c2408abba8444d /crypto/algif_skcipher.c | |
parent | 78a45c6f067824cf5d0a9fedea7339ac2e28603c (diff) | |
parent | 8606813a6c8997fd3bb805186056d78670eb86ca (diff) | |
download | linux-e3aa91a7cb21a595169b20c64f63ca39a91a0c43.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
- The crypto API is now documented :)
- Disallow arbitrary module loading through crypto API.
- Allow get request with empty driver name through crypto_user.
- Allow speed testing of arbitrary hash functions.
- Add caam support for ctr(aes), gcm(aes) and their derivatives.
- nx now supports concurrent hashing properly.
- Add sahara support for SHA1/256.
- Add ARM64 version of CRC32.
- Misc fixes.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits)
crypto: tcrypt - Allow speed testing of arbitrary hash functions
crypto: af_alg - add user space interface for AEAD
crypto: qat - fix problem with coalescing enable logic
crypto: sahara - add support for SHA1/256
crypto: sahara - replace tasklets with kthread
crypto: sahara - add support for i.MX53
crypto: sahara - fix spinlock initialization
crypto: arm - replace memset by memzero_explicit
crypto: powerpc - replace memset by memzero_explicit
crypto: sha - replace memset by memzero_explicit
crypto: sparc - replace memset by memzero_explicit
crypto: algif_skcipher - initialize upon init request
crypto: algif_skcipher - removed unneeded code
crypto: algif_skcipher - Fixed blocking recvmsg
crypto: drbg - use memzero_explicit() for clearing sensitive data
crypto: drbg - use MODULE_ALIAS_CRYPTO
crypto: include crypto- module prefix in template
crypto: user - add MODULE_ALIAS
crypto: sha-mb - remove a bogus NULL check
crytpo: qat - Fix 64 bytes requests
...
Diffstat (limited to 'crypto/algif_skcipher.c')
-rw-r--r-- | crypto/algif_skcipher.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 4f45dab24648..c12207c8dde9 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -251,6 +251,7 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, struct af_alg_control con = {}; long copied = 0; bool enc = 0; + bool init = 0; int err; int i; @@ -259,6 +260,7 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, if (err) return err; + init = 1; switch (con.op) { case ALG_OP_ENCRYPT: enc = 1; @@ -280,7 +282,7 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, if (!ctx->more && ctx->used) goto unlock; - if (!ctx->used) { + if (init) { ctx->enc = enc; if (con.iv) memcpy(ctx->iv, con.iv->iv, ivsize); @@ -359,8 +361,6 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, err = 0; ctx->more = msg->msg_flags & MSG_MORE; - if (!ctx->more && !list_empty(&ctx->tsgl)) - sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list); unlock: skcipher_data_wakeup(sk); @@ -408,8 +408,6 @@ static ssize_t skcipher_sendpage(struct socket *sock, struct page *page, done: ctx->more = flags & MSG_MORE; - if (!ctx->more && !list_empty(&ctx->tsgl)) - sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list); unlock: skcipher_data_wakeup(sk); @@ -448,14 +446,13 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock, while (!sg->length) sg++; - used = ctx->used; - if (!used) { + if (!ctx->used) { err = skcipher_wait_for_data(sk, flags); if (err) goto unlock; } - used = min_t(unsigned long, used, seglen); + used = min_t(unsigned long, ctx->used, seglen); used = af_alg_make_sg(&ctx->rsgl, from, used, 1); err = used; @@ -566,7 +563,7 @@ static void skcipher_sock_destruct(struct sock *sk) struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req); skcipher_free_sgl(sk); - sock_kfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm)); + sock_kzfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm)); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); } |