Merge remote-tracking branches 'asoc/fix/atmel', 'asoc/fix/compress', 'asoc/fix/da721...

[cascardo/linux.git] / drivers / crypto / caam / caamalg.c

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index ea8189f..6dc5971 100644 (file)
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -441,6 +441,9 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
                               OP_ALG_AAI_CTR_MOD128);
        const bool is_rfc3686 = alg->caam.rfc3686;
 
+       if (!ctx->authsize)
+               return 0;
+
        /* NULL encryption / decryption */
        if (!ctx->enckeylen)
                return aead_null_set_sh_desc(aead);
@@ -614,7 +617,7 @@ skip_enc:
                keys_fit_inline = true;
 
        /* aead_givencrypt shared descriptor */
-       desc = ctx->sh_desc_givenc;
+       desc = ctx->sh_desc_enc;
 
        /* Note: Context registers are saved. */
        init_sh_desc_key_aead(desc, ctx, keys_fit_inline, is_rfc3686);
@@ -645,13 +648,13 @@ copy_iv:
        append_operation(desc, ctx->class2_alg_type |
                         OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
 
-       /* ivsize + cryptlen = seqoutlen - authsize */
-       append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize);
-
        /* Read and write assoclen bytes */
        append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);
        append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);
 
+       /* ivsize + cryptlen = seqoutlen - authsize */
+       append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize);
+
        /* Skip assoc data */
        append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF);
 
@@ -697,7 +700,7 @@ copy_iv:
        ctx->sh_desc_enc_dma = dma_map_single(jrdev, desc,
                                              desc_bytes(desc),
                                              DMA_TO_DEVICE);
-       if (dma_mapping_error(jrdev, ctx->sh_desc_givenc_dma)) {
+       if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
                dev_err(jrdev, "unable to map shared descriptor\n");
                return -ENOMEM;
        }