From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, ybrustin@cisco.com, tiwei.bie@intel.com,
jfreimann@redhat.com
Cc: stable@dpdk.org, Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH v2 4/4] net/virtio: remove useless pointers checks
Date: Wed, 5 Jun 2019 10:10:05 +0200 [thread overview]
Message-ID: <20190605081005.15716-5-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20190605081005.15716-1-maxime.coquelin@redhat.com>
This patch removes uses checks on 'prev' pointer, as it
is always set before with a valid value.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/net/virtio/virtio_rxtx.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 33dbc78906..fabd2e31d5 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -1517,9 +1517,7 @@ virtio_recv_pkts_inorder(void *rx_queue,
rx_pkts[nb_rx]->pkt_len += (uint32_t)(len[i]);
- if (prev)
- prev->next = rxm;
-
+ prev->next = rxm;
prev = rxm;
seg_res -= 1;
}
@@ -1703,9 +1701,7 @@ virtio_recv_mergeable_pkts(void *rx_queue,
rx_pkts[nb_rx]->pkt_len += (uint32_t)(len[i]);
rx_pkts[nb_rx]->data_len += (uint16_t)(len[i]);
- if (prev)
- prev->next = rxm;
-
+ prev->next = rxm;
prev = rxm;
seg_res -= 1;
}
@@ -1879,9 +1875,7 @@ virtio_recv_mergeable_pkts_packed(void *rx_queue,
rx_pkts[nb_rx]->pkt_len += (uint32_t)(len[i]);
rx_pkts[nb_rx]->data_len += (uint16_t)(len[i]);
- if (prev)
- prev->next = rxm;
-
+ prev->next = rxm;
prev = rxm;
seg_res -= 1;
}
@@ -1924,8 +1918,7 @@ virtio_recv_mergeable_pkts_packed(void *rx_queue,
} else {
PMD_RX_LOG(ERR,
"No enough segments for packet.");
- if (prev)
- virtio_discard_rxbuf(vq, prev);
+ virtio_discard_rxbuf(vq, prev);
rxvq->stats.errors++;
break;
}
--
2.21.0
next prev parent reply other threads:[~2019-06-05 8:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-05 8:10 [dpdk-dev] [PATCH v2 0/4] net/virtio: Fix packet segmentation bug Maxime Coquelin
2019-06-05 8:10 ` [dpdk-dev] [PATCH v2 1/4] net/virtio: fix segmented packet issue in in-order Rx path Maxime Coquelin
2019-06-05 9:34 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-06-05 8:10 ` [dpdk-dev] [PATCH v2 2/4] net/virtio: fix segmented packet issue in mergeable " Maxime Coquelin
2019-06-05 9:34 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-06-05 8:10 ` [dpdk-dev] [PATCH v2 3/4] net/virtio: fix segment data len in mergeable packed " Maxime Coquelin
2019-06-05 9:34 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-06-05 8:10 ` Maxime Coquelin [this message]
2019-06-05 9:35 ` [dpdk-dev] [PATCH v2 4/4] net/virtio: remove useless pointers checks David Marchand
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