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authorBoris BREZILLON <boris.brezillon@free-electrons.com>2016-03-17 10:21:35 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-03-17 12:09:04 +0100
commitb0ef51067cb4fa51867ede1bac1d58b3dfb42f31 (patch)
tree99bdbd61fd52af516358cb4910eff5c427667770 /drivers/crypto/marvell/hash.c
parentcrypto: marvell/cesa - fix memory leak (diff)
downloadlinux-b0ef51067cb4fa51867ede1bac1d58b3dfb42f31.tar.xz
linux-b0ef51067cb4fa51867ede1bac1d58b3dfb42f31.zip
crypto: marvell/cesa - initialize hash states
->export() might be called before we have done an update operation, and in this case the ->state field is left uninitialized. Put the correct default value when initializing the request. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/marvell/hash.c')
-rw-r--r--drivers/crypto/marvell/hash.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index f07c1fa31d1a..7ca2e0f9dc2e 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -810,9 +810,14 @@ static int mv_cesa_ahash_import(struct ahash_request *req, const void *hash,
static int mv_cesa_md5_init(struct ahash_request *req)
{
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
+ creq->state[0] = MD5_H0;
+ creq->state[1] = MD5_H1;
+ creq->state[2] = MD5_H2;
+ creq->state[3] = MD5_H3;
mv_cesa_ahash_init(req, &tmpl, true);
@@ -873,9 +878,15 @@ struct ahash_alg mv_md5_alg = {
static int mv_cesa_sha1_init(struct ahash_request *req)
{
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA1);
+ creq->state[0] = SHA1_H0;
+ creq->state[1] = SHA1_H1;
+ creq->state[2] = SHA1_H2;
+ creq->state[3] = SHA1_H3;
+ creq->state[4] = SHA1_H4;
mv_cesa_ahash_init(req, &tmpl, false);
@@ -936,9 +947,18 @@ struct ahash_alg mv_sha1_alg = {
static int mv_cesa_sha256_init(struct ahash_request *req)
{
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA256);
+ creq->state[0] = SHA256_H0;
+ creq->state[1] = SHA256_H1;
+ creq->state[2] = SHA256_H2;
+ creq->state[3] = SHA256_H3;
+ creq->state[4] = SHA256_H4;
+ creq->state[5] = SHA256_H5;
+ creq->state[6] = SHA256_H6;
+ creq->state[7] = SHA256_H7;
mv_cesa_ahash_init(req, &tmpl, false);