numam-dpdk/drivers/crypto/virtio/virtqueue.c
Stephen Hemminger 06c047b680 remove unnecessary null checks
Functions like free, rte_free, and rte_mempool_free
already handle NULL pointer so the checks here are not necessary.

Remove redundant NULL pointer checks before free functions
found by nullfree.cocci

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
2022-02-12 12:07:48 +01:00

42 lines
857 B
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
*/
#include <stdint.h>
#include <rte_mbuf.h>
#include <rte_crypto.h>
#include <rte_malloc.h>
#include "virtqueue.h"
void
virtqueue_disable_intr(struct virtqueue *vq)
{
/*
* Set VRING_AVAIL_F_NO_INTERRUPT to hint host
* not to interrupt when it consumes packets
* Note: this is only considered a hint to the host
*/
vq->vq_ring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
}
void
virtqueue_detatch_unused(struct virtqueue *vq)
{
struct rte_crypto_op *cop = NULL;
int idx;
if (vq != NULL)
for (idx = 0; idx < vq->vq_nentries; idx++) {
cop = vq->vq_descx[idx].crypto_op;
if (cop) {
rte_pktmbuf_free(cop->sym->m_src);
rte_pktmbuf_free(cop->sym->m_dst);
rte_crypto_op_free(cop);
vq->vq_descx[idx].crypto_op = NULL;
}
}
}