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crypto: caam - add missing key_dma unmap

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(struct caam_ctx) ctx->key_dma needs to be unmapped
when context is cleaned up.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geanta 2014-03-14 17:48:30 +02:00 committed by Herbert Xu
parent ae4a825ffd
commit ec31eed754
1 changed files with 5 additions and 0 deletions
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5
drivers/crypto/caam/caamalg.c
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@ -2380,6 +2380,11 @@ static void caam_cra_exit(struct crypto_tfm *tfm)
dma_unmap_single(ctx->jrdev, ctx->sh_desc_givenc_dma,
desc_bytes(ctx->sh_desc_givenc),
DMA_TO_DEVICE);
if (ctx->key_dma &&
!dma_mapping_error(ctx->jrdev, ctx->key_dma))
dma_unmap_single(ctx->jrdev, ctx->key_dma,
ctx->enckeylen + ctx->split_key_pad_len,
DMA_TO_DEVICE);
caam_jr_free(ctx->jrdev);
}