From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fiona Trahe Subject: [PATCH] qat: Fix for crash when nb_ops=0 on enqueue_burst Date: Tue, 29 Mar 2016 18:10:20 +0100 Message-ID: <1459271420-10830-1-git-send-email-fiona.trahe@intel.com> Cc: Declan.doherty@intel.com, Fiona Trahe To: dev@dpdk.org Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 7D7B6558C for ; Tue, 29 Mar 2016 19:19:27 +0200 (CEST) List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Crash seen in qat pmd when nb_ops=0 on rte_cryptodev_enqueue_burst() API Signed-off-by: Fiona Trahe --- drivers/crypto/qat/qat_crypto.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c index 5c41a89..90b5e6c 100644 --- a/drivers/crypto/qat/qat_crypto.c +++ b/drivers/crypto/qat/qat_crypto.c @@ -570,6 +570,9 @@ qat_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops, register uint32_t tail; int overflow; + if (unlikely(nb_ops == 0)) + return 0; + /* read params used a lot in main loop into registers */ queue = &(tmp_qp->tx_q); base_addr = (uint8_t *)queue->base_addr; -- 1.7.0.7