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authorDavid S. Miller <davem@davemloft.net>2010-05-31 05:46:45 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-31 05:46:45 -0700
commit64960848abd18d0bcde3f53ffa7ed0b631e6b25d (patch)
tree8424a1c550a98ce09f127425fde9b7b5f2f5027a /crypto/authenc.c
parent2903037400a26e7c0cc93ab75a7d62abfacdf485 (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'crypto/authenc.c')
-rw-r--r--crypto/authenc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 05eb32e0d94..b9884ee0adb 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -181,6 +181,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+ unsigned int cryptlen = req->cryptlen;
if (err)
goto out;
@@ -196,6 +197,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
goto out;
authsize = crypto_aead_authsize(authenc);
+ cryptlen -= authsize;
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
@@ -209,7 +211,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
- req->cryptlen, req->iv);
+ cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);
@@ -228,11 +230,13 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+ unsigned int cryptlen = req->cryptlen;
if (err)
goto out;
authsize = crypto_aead_authsize(authenc);
+ cryptlen -= authsize;
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
@@ -246,7 +250,7 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
- req->cryptlen, req->iv);
+ cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);