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path: root/drivers/crypto/caam/caamhash.c
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Diffstat (limited to 'drivers/crypto/caam/caamhash.c')
-rw-r--r--drivers/crypto/caam/caamhash.c18
1 files changed, 1 insertions, 17 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index e58639ea53b1..117bbd8c08d4 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -109,7 +109,6 @@ struct caam_hash_ctx {
dma_addr_t sh_desc_digest_dma;
struct device *jrdev;
u8 key[CAAM_MAX_HASH_KEY_SIZE];
- dma_addr_t key_dma;
int ctx_len;
struct alginfo adata;
};
@@ -420,7 +419,6 @@ static int ahash_setkey(struct crypto_ahash *ahash,
const u8 *key, unsigned int keylen)
{
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
- struct device *jrdev = ctx->jrdev;
int blocksize = crypto_tfm_alg_blocksize(&ahash->base);
int digestsize = crypto_ahash_digestsize(ahash);
int ret;
@@ -448,28 +446,14 @@ static int ahash_setkey(struct crypto_ahash *ahash,
if (ret)
goto bad_free_key;
- ctx->key_dma = dma_map_single(jrdev, ctx->key, ctx->adata.keylen_pad,
- DMA_TO_DEVICE);
- if (dma_mapping_error(jrdev, ctx->key_dma)) {
- dev_err(jrdev, "unable to map key i/o memory\n");
- ret = -ENOMEM;
- goto error_free_key;
- }
#ifdef DEBUG
print_hex_dump(KERN_ERR, "ctx.key@"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, ctx->key,
ctx->adata.keylen_pad, 1);
#endif
- ret = ahash_set_sh_desc(ahash);
- if (ret) {
- dma_unmap_single(jrdev, ctx->key_dma, ctx->adata.keylen_pad,
- DMA_TO_DEVICE);
- }
-
- error_free_key:
kfree(hashed_key);
- return ret;
+ return ahash_set_sh_desc(ahash);
bad_free_key:
kfree(hashed_key);
crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN);