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path: root/drivers/crypto/sahara.c
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Diffstat (limited to 'drivers/crypto/sahara.c')
-rw-r--r--drivers/crypto/sahara.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index 6c4f91c5e6b3..c3f3d89e4831 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -182,7 +182,6 @@ struct sahara_sha_reqctx {
u8 buf[SAHARA_MAX_SHA_BLOCK_SIZE];
u8 rembuf[SAHARA_MAX_SHA_BLOCK_SIZE];
u8 context[SHA256_DIGEST_SIZE + 4];
- struct mutex mutex;
unsigned int mode;
unsigned int digest_size;
unsigned int context_size;
@@ -1096,7 +1095,6 @@ static int sahara_sha_enqueue(struct ahash_request *req, int last)
if (!req->nbytes && !last)
return 0;
- mutex_lock(&rctx->mutex);
rctx->last = last;
if (!rctx->active) {
@@ -1109,7 +1107,6 @@ static int sahara_sha_enqueue(struct ahash_request *req, int last)
mutex_unlock(&dev->queue_mutex);
wake_up_process(dev->kthread);
- mutex_unlock(&rctx->mutex);
return ret;
}
@@ -1137,8 +1134,6 @@ static int sahara_sha_init(struct ahash_request *req)
rctx->context_size = rctx->digest_size + 4;
rctx->active = 0;
- mutex_init(&rctx->mutex);
-
return 0;
}
@@ -1167,26 +1162,18 @@ static int sahara_sha_digest(struct ahash_request *req)
static int sahara_sha_export(struct ahash_request *req, void *out)
{
- struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
- struct sahara_ctx *ctx = crypto_ahash_ctx(ahash);
struct sahara_sha_reqctx *rctx = ahash_request_ctx(req);
- memcpy(out, ctx, sizeof(struct sahara_ctx));
- memcpy(out + sizeof(struct sahara_sha_reqctx), rctx,
- sizeof(struct sahara_sha_reqctx));
+ memcpy(out, rctx, sizeof(struct sahara_sha_reqctx));
return 0;
}
static int sahara_sha_import(struct ahash_request *req, const void *in)
{
- struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
- struct sahara_ctx *ctx = crypto_ahash_ctx(ahash);
struct sahara_sha_reqctx *rctx = ahash_request_ctx(req);
- memcpy(ctx, in, sizeof(struct sahara_ctx));
- memcpy(rctx, in + sizeof(struct sahara_sha_reqctx),
- sizeof(struct sahara_sha_reqctx));
+ memcpy(rctx, in, sizeof(struct sahara_sha_reqctx));
return 0;
}
@@ -1272,6 +1259,7 @@ static struct ahash_alg sha_v3_algs[] = {
.export = sahara_sha_export,
.import = sahara_sha_import,
.halg.digestsize = SHA1_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct sahara_sha_reqctx),
.halg.base = {
.cra_name = "sha1",
.cra_driver_name = "sahara-sha1",
@@ -1299,6 +1287,7 @@ static struct ahash_alg sha_v4_algs[] = {
.export = sahara_sha_export,
.import = sahara_sha_import,
.halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct sahara_sha_reqctx),
.halg.base = {
.cra_name = "sha256",
.cra_driver_name = "sahara-sha256",