From: Horia Geanta <horia.geanta@freescale.com>
Date: Fri, 14 Mar 2014 15:48:30 +0000 (+0200)
Subject: crypto: caam - add missing key_dma unmap
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ec31eed754e2fd43938e72ef9e1b60aa55ccb417;p=linux-beck.git

crypto: caam - add missing key_dma unmap

(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>
---

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index a9ba8b159636..5f891254db73 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -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);
 }