diff --git a/drivers/crypto/cavium/nitrox/nitrox_algs.c b/drivers/crypto/cavium/nitrox/nitrox_algs.c index 2ae6124e5da6..5d54ebc20cb3 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_algs.c +++ b/drivers/crypto/cavium/nitrox/nitrox_algs.c @@ -73,7 +73,7 @@ static int flexi_aes_keylen(int keylen) static int nitrox_skcipher_init(struct crypto_skcipher *tfm) { struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm); - void *fctx; + struct crypto_ctx_hdr *chdr; /* get the first device */ nctx->ndev = nitrox_get_first_device(); @@ -81,12 +81,14 @@ static int nitrox_skcipher_init(struct crypto_skcipher *tfm) return -ENODEV; /* allocate nitrox crypto context */ - fctx = crypto_alloc_context(nctx->ndev); - if (!fctx) { + chdr = crypto_alloc_context(nctx->ndev); + if (!chdr) { nitrox_put_device(nctx->ndev); return -ENOMEM; } - nctx->u.ctx_handle = (uintptr_t)fctx; + nctx->chdr = chdr; + nctx->u.ctx_handle = (uintptr_t)((u8 *)chdr->vaddr + + sizeof(struct ctx_hdr)); crypto_skcipher_set_reqsize(tfm, crypto_skcipher_reqsize(tfm) + sizeof(struct nitrox_kcrypt_request)); return 0; @@ -102,7 +104,7 @@ static void nitrox_skcipher_exit(struct crypto_skcipher *tfm) memset(&fctx->crypto, 0, sizeof(struct crypto_keys)); memset(&fctx->auth, 0, sizeof(struct auth_keys)); - crypto_free_context((void *)fctx); + crypto_free_context((void *)nctx->chdr); } nitrox_put_device(nctx->ndev); diff --git a/drivers/crypto/cavium/nitrox/nitrox_lib.c b/drivers/crypto/cavium/nitrox/nitrox_lib.c index 9906c0086647..cea977e158fc 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_lib.c +++ b/drivers/crypto/cavium/nitrox/nitrox_lib.c @@ -146,20 +146,31 @@ static void destroy_crypto_dma_pool(struct nitrox_device *ndev) void *crypto_alloc_context(struct nitrox_device *ndev) { struct ctx_hdr *ctx; + struct crypto_ctx_hdr *chdr; void *vaddr; dma_addr_t dma; - vaddr = dma_pool_alloc(ndev->ctx_pool, (GFP_ATOMIC | __GFP_ZERO), &dma); - if (!vaddr) + chdr = kmalloc(sizeof(*chdr), GFP_KERNEL); + if (!chdr) return NULL; + vaddr = dma_pool_alloc(ndev->ctx_pool, (GFP_ATOMIC | __GFP_ZERO), &dma); + if (!vaddr) { + kfree(chdr); + return NULL; + } + /* fill meta data */ ctx = vaddr; ctx->pool = ndev->ctx_pool; ctx->dma = dma; ctx->ctx_dma = dma + sizeof(struct ctx_hdr); - return ((u8 *)vaddr + sizeof(struct ctx_hdr)); + chdr->pool = ndev->ctx_pool; + chdr->dma = dma; + chdr->vaddr = vaddr; + + return chdr; } /** @@ -168,13 +179,14 @@ void *crypto_alloc_context(struct nitrox_device *ndev) */ void crypto_free_context(void *ctx) { - struct ctx_hdr *ctxp; + struct crypto_ctx_hdr *ctxp; if (!ctx) return; - ctxp = (struct ctx_hdr *)((u8 *)ctx - sizeof(struct ctx_hdr)); - dma_pool_free(ctxp->pool, ctxp, ctxp->dma); + ctxp = ctx; + dma_pool_free(ctxp->pool, ctxp->vaddr, ctxp->dma); + kfree(ctxp); } /** diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h index d091b6f5f5dd..19f0a20e3bb3 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_req.h +++ b/drivers/crypto/cavium/nitrox/nitrox_req.h @@ -181,12 +181,19 @@ struct flexi_crypto_context { struct auth_keys auth; }; +struct crypto_ctx_hdr { + struct dma_pool *pool; + dma_addr_t dma; + void *vaddr; +}; + struct nitrox_crypto_ctx { struct nitrox_device *ndev; union { u64 ctx_handle; struct flexi_crypto_context *fctx; } u; + struct crypto_ctx_hdr *chdr; }; struct nitrox_kcrypt_request {