diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_lib.c')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_lib.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_lib.c b/drivers/crypto/cavium/nitrox/nitrox_lib.c index 2260efa42308..9138bae12521 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_lib.c +++ b/drivers/crypto/cavium/nitrox/nitrox_lib.c @@ -158,12 +158,19 @@ 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; + chdr = kmalloc(sizeof(*chdr), GFP_KERNEL); + if (!chdr) + return NULL; + vaddr = dma_pool_zalloc(ndev->ctx_pool, GFP_KERNEL, &dma); - if (!vaddr) + if (!vaddr) { + kfree(chdr); return NULL; + } /* fill meta data */ ctx = vaddr; @@ -171,7 +178,11 @@ void *crypto_alloc_context(struct nitrox_device *ndev) 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; } /** @@ -180,13 +191,14 @@ 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); } /** |