[dpdk-stable] patch 'crypto/aesni_mb: fix zero burst dequeue' has been queued to stable release 17.05.2

[Yuanhan Liu]

Hi,

FYI, your patch has been queued to stable release 17.05.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 08/24/17. So please
shout if anyone has objections.

Thanks.

	--yliu

---
>From 438e3ff354309527f3353f5ec4dbf5eaa0a5f885 Mon Sep 17 00:00:00 2001
From: Pablo de Lara <pablo.de.lara.guarch at intel.com>
Date: Fri, 14 Jul 2017 07:48:47 +0100
Subject: [PATCH] crypto/aesni_mb: fix zero burst dequeue

[ upstream commit 0b4b1e1b88edab32a0cdfe706c800c0419c3a16a ]

In the unlikely scenario that an application
calls rte_cryptodev_dequeue_burst with nb_ops = 0,
there was a job leak, as a job would be created
but would not be populated, as no operation is passed.

Fixes: 0f548b50a160 ("crypto/aesni_mb: process crypto op on dequeue")

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
Acked-by: Declan Doherty <declan.doherty at intel.com>
---
 drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index 9d40a9f..06a6435 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -622,6 +622,9 @@ aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
 
 	int retval, processed_jobs = 0;
 
+	if (unlikely(nb_ops == 0))
+		return 0;
+
 	do {
 		/* Get next operation to process from ingress queue */
 		retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
-- 
2.7.4