[dpdk-dev] [PATCH] crypto/aesni_mb: fix zero burst dequeue
Pablo de Lara
pablo.de.lara.guarch at intel.com
Fri Jul 14 08:48:47 CEST 2017
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")
Cc: stable at dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch 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 13cffaf..fda662f 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -644,6 +644,9 @@ 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);
--
2.9.4
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