From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/crypto/qce/ablkcipher.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/crypto/qce/ablkcipher.c') diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c index 2c0d63d48..dbcbbe242 100644 --- a/drivers/crypto/qce/ablkcipher.c +++ b/drivers/crypto/qce/ablkcipher.c @@ -83,6 +83,14 @@ qce_ablkcipher_async_req_handle(struct crypto_async_request *async_req) rctx->dst_nents = sg_nents_for_len(req->dst, req->nbytes); else rctx->dst_nents = rctx->src_nents; + if (rctx->src_nents < 0) { + dev_err(qce->dev, "Invalid numbers of src SG.\n"); + return rctx->src_nents; + } + if (rctx->dst_nents < 0) { + dev_err(qce->dev, "Invalid numbers of dst SG.\n"); + return -rctx->dst_nents; + } rctx->dst_nents += 1; -- cgit v1.2.3-54-g00ecf