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-rw-r--r--drivers/crypto/tegra/tegra-se-aes.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c
index 30c78afe3dea..5086e7f140c3 100644
--- a/drivers/crypto/tegra/tegra-se-aes.c
+++ b/drivers/crypto/tegra/tegra-se-aes.c
@@ -1201,6 +1201,7 @@ static int tegra_ccm_do_one_req(struct crypto_engine *engine, void *areq)
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct tegra_aead_ctx *ctx = crypto_aead_ctx(tfm);
struct tegra_se *se = ctx->se;
+ unsigned int bufsize;
int ret;
ret = tegra_ccm_crypt_init(req, se, rctx);
@@ -1210,14 +1211,15 @@ static int tegra_ccm_do_one_req(struct crypto_engine *engine, void *areq)
rctx->key_id = ctx->key_id;
/* Allocate buffers required */
- rctx->inbuf.size = rctx->assoclen + rctx->authsize + rctx->cryptlen + 100;
- rctx->inbuf.buf = dma_alloc_coherent(ctx->se->dev, rctx->inbuf.size,
+ bufsize = rctx->assoclen + rctx->authsize + rctx->cryptlen + 100;
+ rctx->inbuf.size = bufsize;
+ rctx->inbuf.buf = dma_alloc_coherent(ctx->se->dev, bufsize,
&rctx->inbuf.addr, GFP_KERNEL);
if (!rctx->inbuf.buf)
goto out_finalize;
- rctx->outbuf.size = rctx->assoclen + rctx->authsize + rctx->cryptlen + 100;
- rctx->outbuf.buf = dma_alloc_coherent(ctx->se->dev, rctx->outbuf.size,
+ rctx->outbuf.size = bufsize;
+ rctx->outbuf.buf = dma_alloc_coherent(ctx->se->dev, bufsize,
&rctx->outbuf.addr, GFP_KERNEL);
if (!rctx->outbuf.buf) {
ret = -ENOMEM;
@@ -1254,11 +1256,11 @@ static int tegra_ccm_do_one_req(struct crypto_engine *engine, void *areq)
}
out:
- dma_free_coherent(ctx->se->dev, rctx->inbuf.size,
+ dma_free_coherent(ctx->se->dev, bufsize,
rctx->outbuf.buf, rctx->outbuf.addr);
out_free_inbuf:
- dma_free_coherent(ctx->se->dev, rctx->outbuf.size,
+ dma_free_coherent(ctx->se->dev, bufsize,
rctx->inbuf.buf, rctx->inbuf.addr);
if (tegra_key_is_reserved(rctx->key_id))
@@ -1278,6 +1280,7 @@ static int tegra_gcm_do_one_req(struct crypto_engine *engine, void *areq)
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct tegra_aead_ctx *ctx = crypto_aead_ctx(tfm);
struct tegra_aead_reqctx *rctx = aead_request_ctx(req);
+ unsigned int bufsize;
int ret;
rctx->src_sg = req->src;
@@ -1296,16 +1299,17 @@ static int tegra_gcm_do_one_req(struct crypto_engine *engine, void *areq)
rctx->key_id = ctx->key_id;
/* Allocate buffers required */
- rctx->inbuf.size = rctx->assoclen + rctx->authsize + rctx->cryptlen;
- rctx->inbuf.buf = dma_alloc_coherent(ctx->se->dev, rctx->inbuf.size,
+ bufsize = rctx->assoclen + rctx->authsize + rctx->cryptlen;
+ rctx->inbuf.size = bufsize;
+ rctx->inbuf.buf = dma_alloc_coherent(ctx->se->dev, bufsize,
&rctx->inbuf.addr, GFP_KERNEL);
if (!rctx->inbuf.buf) {
ret = -ENOMEM;
goto out_finalize;
}
- rctx->outbuf.size = rctx->assoclen + rctx->authsize + rctx->cryptlen;
- rctx->outbuf.buf = dma_alloc_coherent(ctx->se->dev, rctx->outbuf.size,
+ rctx->outbuf.size = bufsize;
+ rctx->outbuf.buf = dma_alloc_coherent(ctx->se->dev, bufsize,
&rctx->outbuf.addr, GFP_KERNEL);
if (!rctx->outbuf.buf) {
ret = -ENOMEM;
@@ -1342,11 +1346,11 @@ static int tegra_gcm_do_one_req(struct crypto_engine *engine, void *areq)
ret = tegra_gcm_do_verify(ctx->se, rctx);
out:
- dma_free_coherent(ctx->se->dev, rctx->outbuf.size,
+ dma_free_coherent(ctx->se->dev, bufsize,
rctx->outbuf.buf, rctx->outbuf.addr);
out_free_inbuf:
- dma_free_coherent(ctx->se->dev, rctx->inbuf.size,
+ dma_free_coherent(ctx->se->dev, bufsize,
rctx->inbuf.buf, rctx->inbuf.addr);
if (tegra_key_is_reserved(rctx->key_id))