From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Herbert Xu , Sasha Levin Subject: [PATCH 4.15 048/128] crypto: chelsio - Fix an error code in chcr_hash_dma_map() Date: Fri, 16 Mar 2018 16:23:09 +0100 Message-Id: <20180316152339.222836322@linuxfoundation.org> In-Reply-To: <20180316152336.199007505@linuxfoundation.org> References: <20180316152336.199007505@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter [ Upstream commit 7814f552ff826fefa5e1b24083c7a06a9378e9ef ] The dma_map_sg() function returns zero on error and positive values on success. We want to return -ENOMEM on failure here and zero on success. Fixes: 2f47d5804311 ("crypto: chelsio - Move DMA un/mapping to chcr from lld cxgb4 driver") Signed-off-by: Dan Carpenter Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/chelsio/chcr_algo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -2414,7 +2414,7 @@ static inline int chcr_hash_dma_map(stru error = dma_map_sg(dev, req->src, sg_nents(req->src), DMA_TO_DEVICE); if (!error) - return error; + return -ENOMEM; req_ctx->is_sg_map = 1; return 0; }