From f2ac67746534fab0cbc0bc29bfc3e507b1f58474 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Horia=20Geant=C4=83?= Date: Wed, 1 Nov 2017 09:13:10 +0200 Subject: crypto: caam - remove unneeded edesc zeroization MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Extended descriptor allocation has been changed by commit dde20ae9d6383 ("crypto: caam - Change kmalloc to kzalloc to avoid residual data") to provide zeroized memory, meaning we no longer have to sanitize its members - edesc->src_nents and edesc->dst_dma. Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu --- drivers/crypto/caam/caamhash.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'drivers/crypto/caam') diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 698580b..7b11674 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -871,7 +871,6 @@ static int ahash_final_ctx(struct ahash_request *req) desc = edesc->hw_desc; edesc->sec4_sg_bytes = sec4_sg_bytes; - edesc->src_nents = 0; ret = ctx_map_to_sec4_sg(desc, jrdev, state, ctx->ctx_len, edesc->sec4_sg, DMA_TO_DEVICE); @@ -1123,7 +1122,6 @@ static int ahash_final_no_ctx(struct ahash_request *req) dev_err(jrdev, "unable to map dst\n"); goto unmap; } - edesc->src_nents = 0; #ifdef DEBUG print_hex_dump(KERN_ERR, "jobdesc@"__stringify(__LINE__)": ", @@ -1205,7 +1203,6 @@ static int ahash_update_no_ctx(struct ahash_request *req) edesc->src_nents = src_nents; edesc->sec4_sg_bytes = sec4_sg_bytes; - edesc->dst_dma = 0; ret = buf_map_to_sec4_sg(jrdev, edesc->sec4_sg, state); if (ret) @@ -1417,7 +1414,6 @@ static int ahash_update_first(struct ahash_request *req) } edesc->src_nents = src_nents; - edesc->dst_dma = 0; ret = ahash_edesc_add_src(ctx, edesc, req, mapped_nents, 0, 0, to_hash); -- cgit v1.1